必修四必背知識點默寫

必修四默寫角度和弧度的轉(zhuǎn)換：=________，=_________，=_______，=________。假設扇形的圓心角為α〔α為弧度制〕，半徑為r，弧長為l,周長為C，面積為S，那么C=_______________，S=________________。三角函數(shù)的根本關系：〔1〕sin2a+cos2a=_____；〔sin2a=__________________，cos2a=_____________________〕〔2〕=__________。函數(shù)的誘導公式：=_________，=_________，=_________；=________，=_________，=____________；=__________，=__________，=_____________；=__________，=___________，=____________；=_________，=_________；=_________，=_________。函數(shù)的圖像變化：函數(shù)的圖像上所有的點向左平移||個單位長度，得到函數(shù)____________________；再將得到的這個函數(shù)圖像上所有點的橫坐標伸長到原來的倍〔縱坐標不變〕，得到函數(shù)________________________；再將得到的這個函數(shù)圖像上所有點的縱坐標伸長到原來的A倍〔橫坐標不變〕，得到函數(shù)__________________________。函數(shù)的圖像上所有點的橫坐標伸長到原來的倍〔縱坐標不變〕，得到函數(shù)_______________________；將得到的函數(shù)圖像上所有點向左平移個單位長度，得到函數(shù)_________________________；再將得到的函數(shù)圖像上所有點的縱坐標伸長到原來的A倍〔橫坐標不變〕，得到函數(shù)____________________________。函數(shù)的性質(zhì)：=1\*GB3①振幅：___；=2\*GB3②周期：______；=3\*GB3③頻率：___________；=4\*GB3④相位：__________；=5\*GB3⑤初相：______。正弦函數(shù)、余弦函數(shù)和正切函數(shù)的圖像與性質(zhì)：性質(zhì)函數(shù)圖像定義域值域最值周期性奇偶性單調(diào)性對稱性設A、B兩點的坐標分別為，，那么=________________________。坐標運算：設，，那么：=________________；=_________________；=__________________；=_____________________；=______________________；__________________________；____________________________。設、都是非零向量，，，θ是與的夾角，那么cosθ=____________=________________________。兩角和與差的正弦、余弦和正切公式：=____________________________；=____________________________；=_____________________________；=_____________________________；=_______________________________〔=________________________________________〕；=_______________________________〔=________________________________________〕。二倍角的正弦、余弦和正切公式：=____________=________________________=_______________________；=________________=___________________=____________________升冪公式=__________，=____________降冪公式=___________，=____________；=_______