根号2cos(x-π/4)化简
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根号2cos(x-π/4)化简
根号2cos(x-π/4)化简
根号2cos(x-π/4)化简
你要化简到什么程度?
lg[cosxtanx+1-2sin 2;(x/2)]+lg[√2cos(x-π/4)]-lg(1+sin2x) =lg(sinx+cosx)+lg(cosx+sinx)-lg[(sinx+cosx) 2;] =lg1 =0
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