三角函数微积分公式 答案是1/2 才对
三角函数积分公式大全 sin x dx=-cos x+Ccos x dx=sin x+Ctan x dx=ln|sec x|+Ccot x dx=ln|sin x|+Csec x dx=ln|sec x+tan x|+Ccsc x dx=ln|csc x – cot x|+Csin 2x dx=1/2x-1/4 sin 2x+Ccos 2x dx=1/2+1/4 sin 2x+Ctan2x dx=tanx-x+Ccot 2x dx=-cot x-x+Csec 2x dx=tanx+Ccsc 2x dx=-cot x+Carcsin x dx=xarcsin x+√(1-x2)+Carccosx dx=xarccos x-√(1-x2)+Carctan x dx=xarctan x-1/2ln(1+x2)+Carc cot x dx=xarccot x+1/2ln(1+x2)+Carcsec xdx=xarcsec x-ln│x+√(x2-1)│+Carccsc x dx=xarccsc x+ln│x+√(x2-1)│+C
求三角函数微分公式大全 你好:sin(k·360o+α)=sin αcos(k·360o+α)=cos αtan(k·360o+α)=tan αsin(-α)=-sinα cos(-α)=cos α tan(-α)=-tan αsin(180o+α)=-sinα cos(180o+α)=-cosα tan(180o+α)=tan αsin(180o-α)=sinα cos(180o-α)=-cosα tan(180o-α)=-tan αsin(360o-α)=-sinα cos(360o-α)=cosα tan(360o-α)=-tanαsin(90o+α)=cosα cos(90o+α)=-cosα tan(90o+α)=-cot αsin(90o-α)=cosα cos(90o-α)=cosα tan(90o-α)=cot αsin(270o+α)=-cosα cos(270o+α)=sinα tan(270o+α)=-cot αsin(270o-α)=-cosα cos(270o-α)=-sinα tan(270o-α)=cot α在三角形里 sin(A+B)=sin c cos(A+B)=-cos C tan(A+B)=-tan Csin(A+B)\\ 2=cos C\\2 cos(A+B)\\ 2=sin C\\2 tan(A+B)\\ 2=cot C\\2a=b·cosC+c·cos B