根号2cos(x-π/4)化简

根号2cos(x-π/4)化简 （1）化简:根号2sin(π/4-x)+根号6cos(π/4-x)（2）sin(67°-x)cos(x-22°)+cos(67°-x)cos(112°-x)的值为 化简:根号2sin(π/4-x)+根号6cos(π/4-x)(2)sin(67°-x)cos(x-22°)+cos(67°-x)cos(112°-x)的值为 求定积分∫(π/2,-π/2) 根号cos^x-cos^4x dx∫(π/2,-π/2) 根号cos^2x-cos^4x dx 化简2sin^2[(π/4)+x]+根号3（sin^x-cos^x）-1 cos（π/4-x)cos(π/4+x)=根号2/6( cos(2x-π)/[根号2cos(x+π/4)]=-1/5,0 化简sin（x+π/2）分之1+根号二cos（2x-π/4） 化简 根号3sinXcosX+cos*2X 化简根号2COS(X-π/4)-sinx 解cos(π/4-3x)≤根号3/2 根号下2/4sin(π/4-x)+根号下6/4cos(π/4-x) 已知函数f(x)=根号(sin(x/2)^4+4cos(x/2)^2)-根号(cos(x/2)^4+4sin(x/2)^2)(1)化简f(x),并求f(25π/6)(2)若0 根号二cosx的图像只需将根号cos(2x+π/4)图像上所有点. 化简f(x)=sin(x-π/4)+4*（根号2）sinxcosx-cos(x+π/4)-2 化简根号下[(1-cos x)/(1+cos x)] + 根号下[(1+cos x)/(1-cos x)]其中x属于（π/2,π） 化简 1/2cos x-根号3/2sin x 根3sin x+cos x 已知f(x)=cos^4x-2根号3sinxcosx-sin^4x 化简