化简(sin^2x+2sinxcosx)/1+tanx

f(x)=sin^2x+sinxcosx-1/2,化简 sin²X-sinxcosx+2cos²x=化简 化简cos^4x-2sinxcosx-sin^4x 2sin平方x +cos平方x+3sinxcosx化简 化简(sin^2x+2sinxcosx)/1+tanx sin^2xtanx+cos^2x/tanx+2sinxcosx-(1+cosx/sinxcosx)化简 cos^2+2sinxcosx+sin^2x sin 2x为何等于2sinxcosx 化简(2sinxcosx-2sin²x)(2sinxcosx+2sin²x)/sin4x 两种方法 化简sin(2x+π/3)-（根号3）sin²x+sinxcosx+(根号3)/2 y=(cos^2x)/(sinxcosx-sin^2x),(0 sin²x+sinxcosx+2cos²x= f(x)=sin^2x+sinxcosx 如何化简 f(x)=sin(x^2)+(√3)sinxcosx+2cos(x^2) 化简 f(x)=sin(x^2)+(√3)sinxcosx+2cos(x^2) 化简 化简F(X)=2COSXCOSX(π/6-X)-根号3SIN^2X+SINXCOSX f(x)=sin^4x+2√3sinxcosx-cos^4x化简 化简f(x)=根号3sinxcosx-sin^2x,x∈R