圖型面積計算式

1、立體曲線幾何名名稱稱圖圖形形字字母母意意義義公公式式園錐螺旋線r=半徑S=n/2P2+l2l=螺距加+l2/2P lnP2+l2+P/1n=螺線旋轉(zhuǎn)圈數(shù)式中:P=2rS=螺旋線長度P=園柱或園錐的底面周長園柱螺旋線r=半徑S=nP2+l2l=0.25l=螺距式中:P=2r螺距n=螺線旋轉(zhuǎn)圈數(shù)1.520691S=螺旋線長度P=P=園柱或園錐的底面周長螺旋形樓梯的計算方法B=樓梯寬度面積=B.H.1+(2R平/H)2H=螺旋樓梯高度h=螺距R平=螺園的平均半徑,R平=1/2(R+r)弧形和螺旋形樓梯的面層,按水平投影面積計算。螺旋樓梯的內(nèi)外側(cè)面面積等于內(nèi)外螺旋長*以側(cè)邊面高度。內(nèi)邊螺旋長=H.1+

2、(2r/H)2外邊螺旋長=H.1+(2r/H)2D=1.50r=0.75直徑半徑4.71244.7124常見立體圖形名名稱稱圖圖 形形字字母母意意義義全全 面面 積積S S正立方體a=邊長S=6a2對角線=a2+a2+a2長立方體h=高S=2(ah+bh+a+b)a=寬b=長直園柱h=高S=2r(r+h)r=園半徑d=園直徑空心園柱h=高S=2h(R+r)+2(R2-r2)r1=小園半徑;R=大園半徑;斜切直園柱r=園半徑h2、h1=高S=r(h1+h2r)+r2+(h1-h2/2)2正六角柱h=高S=5.1962a2+6aha=邊長方形角錐h=高S=a2+b2+2(a+b)h1h1=錐斜邊長

3、L=h2+(b-a)/22a=上底邊長b=下底邊長矩形角錐h=高;h1=錐斜邊長S=(a+a1)*(4h2+(b-b1)2)0.5/2+(b+b1)*(4h2+(a-a1)2)0.5/2+a1b1+aba1、b1=上底邊長a、b=下底邊長F=表面積直園錐h=高r=園錐底半徑S=rl+r2l=錐斜長求錐斜長L=r2+h2截頭園錐h=錐高;L=錐斜長r1=上底半徑;r=下底半徑S=/2l(D+d+d=上底直徑;1/2(D2+d2)D=下底直徑球缺r=球缺半徑a2=h(2r-h)h=球缺的高C=2rh=(a2+h2)a=平切園半徑S=(2rh+a2)c=球缺上表面積S=(h2+2a2)D=平切園直徑

4、S=球缺全表面積球帶r=球半徑S=(2rh+a2+b2)a、b=平切園半徑h=球帶的高園球R=球半徑S=4R2=12.5664R2d=球直徑S=d2=3.1416d2園環(huán)R=回轉(zhuǎn)半徑D=回轉(zhuǎn)直徑r=回轉(zhuǎn)園半徑F=42Rr =39.478RrF=全 面 積F=9.8696Ddd=回轉(zhuǎn)園直徑橢園體a=長半軸T矩形角錐S=(a+a1)*(4h2+(b-b1)2)0.5/2+(b+b1)*(4h2+(a-a1)2)0.5/2+a1b1+abb=短半軸c=回轉(zhuǎn)半徑F=42 b.a2+b2F=全 面 積橢園環(huán)體D=回轉(zhuǎn)直徑F=d(9.8696D+6.2832L)d=回轉(zhuǎn)園直徑L=二半園之間的距離F=全 面

5、 積V=體 積三錐體h1=錐體高度直角錐h=錐體高度S=1/2pl+sa=正多邊形邊長S=1/2*n*a*l+n/2*a*(a/(2*sin(360/(2*n)*PI()/180)2-a2/4)0.5n=正多邊形邊數(shù)s=底面積p=底面周長r=內(nèi)切園半徑l=r2+h2R=外切園半徑L=R2+h2截頭直角錐h=錐高S=1/2L(p1+p2)+S1+S2a、a1=兩端正多邊形邊長n=正多邊形邊數(shù)s1、s2=兩端面積p1、p2=兩端面周長楔形h=楔形高a、a1、a2=楔形三菱的長b=楔形的底寬T橢園體斜切直園柱Ft=全面積Ft=r(h1+h2)Fs=曲面積h1、h2=高r=半徑c=側(cè)面積正園柱的斜劈正

6、園柱的斜劈r=園柱底的直徑r=園斜劈底的弦長bab=斜劈底弧長h=斜劈底的高d=bb弦至柱心距離底為全園的斜劈Fs=曲面積r2arr楔形三樁臺V=h1/3A(1.44A+1.25B+0.67a+2b)-B(1.73B+1.52b)+abV=h1/3A(1.44A+1.25B+0.57a+2b)-B(1.73B+1.25b)+ab五樁臺六樁臺V=h1/3A(0.87A+0.50b)-a(0.58A+b)斜切直園柱h1、h2=高度Ft=r(h1+h2+r+c/2)Fs=曲面積Ft=全面積c=4r2+(h1-h2)2r直園柱的斜劈Fs=曲面積底為全園的斜劈Fs=曲面積桷形體d=兩底的直徑D=最大的直

7、徑h=高2arr側(cè)側(cè) 面面 積積體體 積積公公式式計計算算輸輸入入示示例例M MV VV=a3例例: :a=1.00對角線=1.73205081 1.7320508式1 V=1.00式2 S=6.00V=abh例例: :a=1.00b=5.00h=0.50式1 V=2.50式2 S=18.00M=2rhV=r2h=d2/4.h例例: :r=0.50d=1.00h=1.00M=2rh=dhV=r2h=d2h/4式1 V=0.78540.78540.78540.7854式2 側(cè)M=3.14163.1416式3 全S=4.712389內(nèi)側(cè)+外側(cè)表現(xiàn)積V=h(R2-r12)例例: :R=0.80r1=

8、0.50h=1.00M=2h(R+r)式1 V=0.30630.306306式2 側(cè)M=8.1681409式2 全S=10.618583 0.3063060 0.30630528V=r2(h1+h2)/2例例: :r=0.50h=1.00h1=0.80M=r(h1+h2)式1 V=0.7068583式2 側(cè)M=2.82744M=6ahV=2.5981a2h設(shè)設(shè)例例: :n=6邊邊長a=0.50 h=1.00式1 V=0.649525式2 M=3.00式3 M=4.29905 上下底面積1.29905M側(cè)=2(a+b)h1V=(a2+b2+ab)h/3例例: :a=0.50b=2.20h1=0.

9、20V=0.4126667h1=斜長0.87321246h1=h2+(b-a)/22側(cè)M=4.7153473 4.71534484.71534728全M=9.3653473 9.36534484.65(a+a1)*(4h2+(b-b1)2)0.5/2+(b+b1)*(4h2+(a-a1)2)0.5/2V=h/6ab+(a+a1)*(b+b1)+a1b1例例: :a=3.80a1=0.45b1=0.60b=2.50V=h/6(a1*2a)b+(2b1+a)b1V=1.147251.15625側(cè)M=9.5091587 分解側(cè)面積9.50915869 2.1170163常見立體圖形M=rlV=r2h

10、/3例例: :h=0.60r=0.80M=rr2+h2V=1.0472r2式1 V=0.4021248 0.4021248式2 側(cè)M=2.513282.51328式3 S=4.5239044.523904式4 L=1.00底面積=2.010624M=L(r+r1)V=h/3(r2r12+r1r)例例: :h=0.60r=0.80r1=0.75M=/2 L(D+d)V=h/12(D2+d2+Dd)式1 V=1.13254681.132547求L=h2+(D-d)/22式2 側(cè)M=2.9318152 2.93181522.953104 式4全S=求L=(r+r1)2+h2式3斜長L= 0.6020

11、797 0.60207973上下底面積V=h/6(3a2+h2)例例: :h=0.10a=0.80D=1.60V=h2/3(3r-h)式1 V=0.1010546 式2 V=0.10105456 式3 V=V=h/24(3D2+4h2)求C=弦長求L=弧長求H=弧高求半徑r長求角度1.601.61658410.103.2514.2500331.6158M=2rhV=h/6(3a2+3b2+h2)例例: :r=100a=0.80b=0.60h=0.30式1 V=3.24708式2 側(cè)M=1.88496式3全S=10.36728V=d3/6=0.5236d3例例: :R=0.50d=1.00V=4

12、R3/3=4.1888R3式13 V=0.52360.52360.5236式2 S=3.14163.1416V=22Rr2 =19.739Rr2例例: :D=1.50d=1.00R=0.75r=0.5V=2/4Dd2 =2.4674Dd2式14 V=3.701119 3.70106253.701118963.7011式23 全= 14.80447614.8042514.8044設(shè)設(shè)例例: :a=7.00b=4.00c=0.15(a+a1)*(4h2+(b-b1)2)0.5/2+(b+b1)*(4h2+(a-a1)2)0.5/2V=4/3abc =4.189abcV=17.5929617.593

13、8V=4ab2(當(dāng)b=c時)V=0.7854d2(3.1416D+2L)例例: :D=1.50d=0.30L=1.2式1 V=0.5027471式全=6.703272 V=h1/3A(1.44A+1.25B+0.67a+2b)-B(1.73B+1.52b)+abM=1/2plV=h/3s=harn/6例例: :n=6a=0.50h=3.00M=1/2*n*a*lV=han/6R2-(a2)/4式1 V=0.6495191 0.649519050.64951905M=1/2*n*a*r2+h2V=h/3*(n/2*a*(a/(2*sin(360/(2*n)*PI()/180)2-a2/4)0.5

14、)r=0.433015 0.4330127 側(cè)M=4.5466339R=0.50000240.500全S=5.1961589底面積S=0.649525 0.64951905p=底面周長3.00l=3.0310892L=3.0413813M=1/2L(p1+p2)V=h/3(s1+s2+s1s2)V=bh/6(a+a1+a2)Fs=r(h1+h2+r+c/2)V=r2/2(h1+h2)V=r2.(h1+h2)/2c=4r2+(h1-h2)2c=r(h1+h2)V=h/3ba(3r2+a2)+3r2(b-r)&V=(3/2r12-d.bab底面積*h/r-d)底為半園Fs=2rh底為半園V

15、=2r2h/3底為全園Fs=rh底為全園V=2r2h/2V=h1/6A(1.98A+1.62b)+a(1.05A+2b)Fs=r(h1+h2)V=r2/2(h1+h2)V=h1/3A(1.44A+1.25B+0.67a+2b)-B(1.73B+1.52b)+abV=h1/3A(1.44A+1.25B+0.57a+2b)-B(1.73B+1.25b)+abV=h1/3A(0.87A+0.50b)-a(0.58A+b)Fs=2rh/ba+(b-r)QV=h/3ba(3r2-a2)+3r2(b-r)Q底為半園時:Fs=2rh底為半園時:V=2r2h/3底為全園時:Fs=rh底為全園時:V=2r2h/

16、2例例:d=0.30D=0.40h=0.60V=0.262h(2D2+d)2V=V=0.1237794 0.1237794或=0.0873h(2D+d2)0.7854h=0.30h1=斜長2.637563 1.70165361 0.9962436.709589 6.70958921.767152.0106240.101055求L2=弧長28.50007 1.616618974.546634 4.60698155.196153常見平面圖形的面積名名稱稱圖圖 形形字字母母意意義義公公 式式F=F=面面積積正方形F=a2;a=0.7071d=F;a=邊長d=1.4142a=1.4142F長方形d=斜

17、長F=ab=ad2-a2=dd2-b2a=邊長a=d2-b2=F/bb=寬長b=d2-a2=F/ad=a2+b2平行四邊形F=bhh=高度h=F/bb=邊長b=F/h三角形h=高度F=bh/2=b/2a2-(a2+b2-c2/2b)2;P=半周長P=1/2(a+b+c);a=斜邊長F=P(P-a)(P-b)(P-c);b=斜邊長梯形h=高度F=(a+b)h/2a=上底邊長h=2F/a+bb=下底邊長a=2F/h-bb=2F/h-a正六角形a=邊長F=2.5981a2=2.5982R2=3.4641r2R=外園的半徑F=n/2*a*(a/(2*SIN(360/(2*n)*PI()/180)2-a

18、2/4)0.5r=內(nèi)切園的半徑R=a=1.1547rn=邊數(shù)r=0.86603a=0.86603R園形R=園的半徑F=r2=3.1416r2=0.7854d2L=園周長度L=2r=6.2832r=3.1416dd=園的直徑R=L/2=0.15915L=0.56419Fd=L/=0.51821L=1.1284F橢形a=長軸半徑面積F=ab=3.1416abb=短軸半徑周長的近似值：P=半周長2P=2(a2+b2)比較精確的值：2P=1.5(a+b)-ab橢形面積F=Rr=3.1416/4DdD=長軸d=短軸P=周長P=D2+d2/2=2(R2+r2)P=2D2+d2+1.4674正多邊形n=邊數(shù)

19、F=n/2.ar; F=nar/2a=邊長R=r2+a2/4; r=R2-a2/4R=外接園半徑P=na; B=n-2/n=1800; A=3600/nr=內(nèi)接園半徑a=2R2-r2P=周長F=n/2*a*(a/(2*sin(360/(2*n)*PI()/180)2-a2/4)0.5B頂角R=a/(2*sin(360/(2*n)*PI()/180)A每邊對之園心角r=(a/(2*sin(360/(2*n)*PI()/180)2-a2/4)0.5拋物線b=底邊F=2/3b.h =4/3ABC的面積h=高L=b2+1.333.h2 =b2+4/3.h2L=曲線的長扇形a=園心角度F=1/2rL =

20、r2a/3600 =0.0087266ar2r=半徑L=2F/r =0.017453ar; L=ra/1800=25/rL=弧長r=2F/l =57.296l/aa=1800L/r =57.29560L/r弓形l=弧長F=1/2rL-c(r-h); F=1/2r(L-c)+chc=弦長F=r2a/3600-c/2(r-h)h=高r=c2+4h2/8h; L=0.017453ar; c=2h(2r-h)r=半徑h=r-4r2-c2/2; h=r-1/24r2-c2; a=57.296l/ra=園心角度園環(huán)D=外園直徑F=(R2-r2)=3.1416(R2-r2)d=內(nèi)園直徑F=0.7854(D2

21、-d2);F=/4(D2-d2);F=t(R2+r2)R=外園半徑F=3.1416(d+S)Sr=內(nèi)園半徑S=R-r=(D-d)/2; 橢形空心園D=大園直徑F=/4(D2-d2)=(R2-r2)d=小園直徑R=大園半徑r=小園半徑環(huán)式扇形D=外園直徑F=a/3600(R2-r2)=0.008727a(R2-r2)d=內(nèi)園直徑F=a/360(D2-d2)=0.002182a(D2-d2)R=外半徑;r=內(nèi)半徑t=環(huán)厚度;a=角度園片R=大園半徑F=a/3600(R2-r2) =0.008727a(R2-r2)r=小園半徑a=園心角度四分園F=面積r=半徑F=/4.r2 =0.7854r2 =0

22、.3927c2C=弦長C=r2+r2隅角F=面積F=(1-/4)r2=0.2146r2=0.1073c2=0.1073c2r=半徑C=r2+r2C=弦長月形F=面積F=弓形 acb-弓形adbR=大園半徑r=小園半徑Q、Q1=園心角菱形e、f=對角線S=1/2e、f=a2 sinAa=邊長f=2a sin A/2S=面積e=2a cos A/2三樁臺面積F=AB+0.58A2-0.87B2體積V=h=(AB+0.58A2-0.87B2)五樁臺面積F=0.73A2 =1.72050B2體積V=0.73A2h =1.7205B2h六樁臺面積F=0.87A2 =2.60B2體積V=0.87A2h =

23、2.60B2h面積F=0.73A2 =1.72050B2體積V=0.73A2h =1.7205B2h面積F=0.87A2 =2.60B2體積V=0.87A2h =2.60B2h三樁臺公公式式計計算算輸輸入入示示例例設(shè)設(shè)例例: :a=1.00式式1=F1=F1.00設(shè)設(shè)例例: :a=3.00b=4.00式式1=d1=d長長5.005.00面面積積=F=F12.00式式2=a2=a長長3.003.00a a邊邊長長=F/b=F/b3.00式式3=b3=b長長4.004.00b b邊邊長長=F/a=F/a4.00設(shè)設(shè)例例: :b=6.00h=1.00面面積積=F=F6.00h h邊邊長長=F/b=F

24、/b1.00b b邊邊長長=F/h=F/h6.00設(shè)設(shè)例例: :b=1.00h=0.50a=0.7071 b=0.7071式式1=F1=F0.250.25式式2a2a長長= =0.707106781式式3 3 P=P=1.2071設(shè)設(shè)例例: :a=4.00b=6.00h=1.00 正多邊形 系數(shù) ka1、ka2、kf 數(shù)值表式式1=F1=F5.00邊數(shù)ka1h=1.00a=4.0031.7320b=6.0041.4142設(shè)設(shè)例例: :n=6邊邊長a=0.5051.1756式式1=F1=F0.649525 0.64951905361.0000r=0.433015 0.43301270270.86

25、80R=0.5000024210.50080.7654設(shè)設(shè)例例: :d=1.00R=0.5090.6840式式1=F1=F0.7853981630.7854100.6180式式2=L2=L3.141592654 3.141592654110.5634120.5176設(shè)設(shè)例例: :a=7.00b=4.00F1=87.9648近似2P=35.81975精確2P=35.212615360.6071357926差1.6%0.01694975設(shè)設(shè)例例: :D=14.00d=8.00F=87.9648P=35.819835.81975設(shè)設(shè)例例: :n=5邊邊長a=0.50n=3邊系數(shù) n=5邊系數(shù) n=6

26、邊系數(shù)F=0.430119350.4301250.110.4301250.649525R=0.4253254040.4253250.110.430120.64952r=0.344095480.344095n=8邊系數(shù) n=9邊系數(shù) n=10邊系數(shù)P=3.001.20711.5454751.923551.207111.545461.92355設(shè)設(shè)例例: :b=2.00h=3.00F=4.004.00L=4.004.00設(shè)設(shè)例例: :c=弦L=弧H=弧高r=半徑a=角度a=角度2.5004799543.0900.771.4063.234499126.46046式13 F=2.1632.163159

27、5012.163式2 F=4.604.6713303567.7017.379617 34.759234式3F=8.508.65345919513.2518.708573 37.417146設(shè)設(shè)例例: :C=2.50L=3.09h=0.77r=1.40a=角度a=角度式式1 12.503.0902278590.76952399 1.4063.234499126.469式式2 22.5004799543.090168812 0.771.40126.46046式式3 3 F=F=1.37551.3755 1.3756595設(shè)設(shè)例例: :R=0.80r=0.50式12 F=1.2252211351.2

28、25224設(shè)設(shè)例例: :R=0.80r=0.50式12 F=1.2252211351.225221135式式1 118.0018.141.0041.0012.68038325.348589設(shè)設(shè)例例: :C=弦L=弧H=弧高R=半徑a=角度r=40式式2 218180012.680383 25.360767式13 F=17.92 17.9187641117.9118324設(shè)設(shè)例例: :r=3.40面積.F=9.0792249.0792249.07799249C=4.808326112設(shè)設(shè)例例: :r=3.40面積.F=2.4807762.4807762.480776C=

29、4.808326112設(shè)設(shè)例例: :A=1.84a2=0.40a1=1.44B=1.662b1=0.231b2=0.231c=0.462c1=0.8311.8400.4001.4402.1240.2310.2310.4620.831面積.F=2.61857572面積.F=2.61912000周長=6.37297356設(shè)設(shè)例例: :n=5邊邊長a=0.50F=0.43010.4301設(shè)設(shè)例例: :n=6邊邊長a=0.50F=0.650.65設(shè)設(shè)例例: :n=5邊邊長a=0.50F=0.43010.4301設(shè)設(shè)例例: :n=6邊邊長a=0.50F=0.650.65ka2kf=面積3.46420.4

30、3312.00001.00001.45301.72051.15482.59820.96343.63340.82844.82840.72806.18190.64987.69420.58749.36350.535811.196035.8197535.212615360.607135792595550.016949749 正多邊形 系數(shù) ka1、ka2、kf 數(shù)值表n=7邊系數(shù)n=7邊系數(shù)0.908350.908350.908480.90848n=11邊系數(shù) n=12邊系數(shù)2.3408752.7992.341412.79904第 30 頁，共 37 頁正弦 sin A=a/c=對邊/斜邊=cos B

31、正切 tan A=a/b=對邊/鄰邊=cot B余弦 cos A=b/c=鄰邊/斜邊=sin B余切 cot A=b/a=鄰邊/斜邊=tan B三三角角函函數(shù)數(shù)表表角度正弦sin 余弦cos 正切tan 余切cot0。000.00001.00000.000090。00150.00441.00000.0044229.18245300.00871.00000.0087114.58930450.01310.99990.013176.390151。000.01750.99980.017557.29089。00150.02180.99980.021845.82945300.02620.99970.026

32、238.18830450.03050.99950.030632.730152。000.03490.99940.034928.63688。00150.03930.99920.039325.45245300.04360.99910.043722.90430450.04800.99890.048020.819153。000.05230.99860.052419.08187。00150.05670.99840.056817.61145300.06110.99810.061216.35030450.06540.99790.065515.257154。000.06980.99760.069914.3018

33、6。00150.07410.99730.074313.45745300.07850.99690.078712.70630450.08230.99660.083112.035155。000.08720.99620.087511.43085。00150.09150.99580.091910.88345300.09580.99540.096310.38530450.10020.99500.10179.9310156。000.10450.99450.10519.514484。00150.10890.99410.10959.130945300.11320.99360.11398.776930450.11

34、750.99310.11848.4490157。000.12190.99260.12288.144383。00150.12620.99200.12727.860645第 31 頁，共 37 頁正弦 sin A=a/c=對邊/斜邊=cos B正切 tan A=a/b=對邊/鄰邊=cot B余弦 cos A=b/c=鄰邊/斜邊=sin B余切 cot A=b/a=鄰邊/斜邊=tan B三三角角函函數(shù)數(shù)表表角度正弦sin 余弦cos 正切tan 余切cot300.13050.99140.13177.595830450.13490.99090.13617.3479158。000.13920.99030

35、.14057.115482。00150.14350.98970.14506.896945300.14780.9890.14956.691230450.15210.98840.15396.4971159。000.15640.98770.15846.310881。00150.16070.98700.16296.140245300.16500.98630.16735.975830450.16930.98560.17185.81971510。000.17360.98480.17635.671380。00150.17790.98400.18085.530145300.18220.98330.18535.

36、395530450.18650.98250.18995.26721511。000.19080.98160.19445.144679。00150.19540.98080.19895.027345300.19940.97990.20354.915230450.20360.97910.20804.80771512。000.20790.97810.21264.704678。00150.21220.97720.21714.605745300.21640.97630.22174.510730450.22070.97530.22634.41941513。000.22500.97440.23094.33157

37、7。00150.22920.97340.23554.246845300.23340.97340.24014.165330450.23770.97130.24474.08671514。000.24190.97030.24934.010876。00150.24620.96920.25403.937545300.25040.96810.25683.866730450.25460.96700.26333.798315第 32 頁，共 37 頁正弦 sin A=a/c=對邊/斜邊=cos B正切 tan A=a/b=對邊/鄰邊=cot B余弦 cos A=b/c=鄰邊/斜邊=sin B余切 cot A=

38、b/a=鄰邊/斜邊=tan B三三角角函函數(shù)數(shù)表表角度正弦sin 余弦cos 正切tan 余切cot15。000.25880.96590.26793.732175。00150.26300.96480.27263.668045300.26720.96360.27733.605930450.27140.96250.28203.54571516。000.27560.96130.28683.487474。00150.27930.96010.29153.430845300.28400.95880.29623.375930450.28820.95760.30103.32261517。000.29240.9

39、5630.30573.270973。00150.29650.95500.31053.220545300.30070.95370.31533.171630450.30490.95240.32013.12401518。000.30900.95110.32493.077772。00150.31320.94970.32983.032645300.31730.94830.33462.988730450.32140.94690.33952.94591519。000.32560.94550.34432.904271。00150.32970.94410.34922.863645300.33380.94260.

40、35412.823930450.33790.94120.35902.78521520。000.34200.93970.36402.747570。00150.34610.93820.36892.710645300.35200.93670.37392.674630450.35430.93510.37892.63951521。000.35480.93360.38392.605169。00150.36240.93200.38892.571545300.36650.93040.39392.538630450.37060.92880.39902.50651522。000.37460.92720.40402

41、.475168。00150.37860.92550.40912.444345第 33 頁，共 37 頁正弦 sin A=a/c=對邊/斜邊=cos B正切 tan A=a/b=對邊/鄰邊=cot B余弦 cos A=b/c=鄰邊/斜邊=sin B余切 cot A=b/a=鄰邊/斜邊=tan B三三角角函函數(shù)數(shù)表表角度正弦sin 余弦cos 正切tan 余切cot300.38270.92390.41422.414230450.38670.92220.41932.38471523。000.39070.92050.42452.355967。00150.39470.91880.42962.327645

42、300.39870.91710.43482.299830450.40270.91530.44002.27271524。000.40670.91350.44522.246066。00150.41070.91180.45052.219945300.41470.91000.45572.194330450.41870.90810.46102.16921525。000.42260.90630.46632.144565。00150.42660.90450.47162.120345300.43050.90260.47702.096530450.43440.90070.48232.07321526。000.4

43、3840.89880.48772.050364。00150.44230.89690.49312.027845300.44620.89490.49862.005730450.45010.8930.50401.98401527。000.45400.89100.50951.962663。00150.45790.88900.51501.941645300.46170.88700.52061.921030450.46560.88500.52611.90071528。000.46950.88290.53171.880762。00150.47330.88090.53731.861145300.47720.8

44、7880.54301.841830450.48100.87670.54861.82281529。000.48480.87460.55431.804061。00150.48860.87250.56001.785645300.49240.87040.56581.767530450.49620.86820.57151.749615第 34 頁，共 37 頁正弦 sin A=a/c=對邊/斜邊=cos B正切 tan A=a/b=對邊/鄰邊=cot B余弦 cos A=b/c=鄰邊/斜邊=sin B余切 cot A=b/a=鄰邊/斜邊=tan B三三角角函函數(shù)數(shù)表表角度正弦sin 余弦cos 正切ta

45、n 余切cot30。000.50000.86600.57741.732160。00150.50380.86380.58231.714745300.50750.86160.58901.697730450.51130.85940.59491.68081531。000.51500.85720.60091.664359。00150.51880.85490.60681.647945300.52250.85260.61281.631930450.52620.85040.61881.61601532。000.52990.84800.62491.600358。00150.53660.84570.63101.5

46、84945300.53730.84340.63711.569730450.54100.84100.64321.55471533。000.54460.82870.64941.539957。00150.54830.83630.65561.525345300.55190.83390.66191.510830450.55560.83150.66821.48661534。000.55920.82900.67541.482656。00150.56230.82660.68091.468745300.56640.82410.68731.455630450.57000.82160.69371.44151535。

47、000.57360.81920.70021.428155。00150.57710.81660.70671.415045300.58070.81410.71331.401930450.58420.81160.71991.38911536。000.58780.80900.72651.376454。00150.59130.80640.73321.363845300.59480.80390.74001.351430450.59830.80130.74671.33921537。000.60180.79860.75361.327053。00150.60530.79600.76041.315145第 35

48、頁，共 37 頁正弦 sin A=a/c=對邊/斜邊=cos B正切 tan A=a/b=對邊/鄰邊=cot B余弦 cos A=b/c=鄰邊/斜邊=sin B余切 cot A=b/a=鄰邊/斜邊=tan B三三角角函函數(shù)數(shù)表表角度正弦sin 余弦cos 正切tan 余切cot300.60880.79340.76731.303230450.61220.79070.77431.29151538。000.61570.78800.78131.279952。00150.61910.78530.78831.268545300.62250.78260.79541.257230450.62590.77800

49、.80261.24601539。000.62930.77710.80981.234951。00150.63270.77440.81701.223945300.63610.77160.82431.213130450.63940.76880.83171.20241540。000.64280.76600.83911.191850。00150.64610.76320.84661.181245300.64940.76040.85411.170830450.65280.75760.86171.16061541。000.65610.75470.86931.150449。00150.65930.75180.87701.140345300.66260.74900.88471.130330450.66590.74610.89251.12041542。000.66910.74310.90041.110648。00150.67240.74020.90831.100945300.6