化简:sin(x+60°)+2sin(x-60°)-√3cos(120°-x)=
sin(sin(sin(sin(x)=cos(cos(cos(cos(x),X等于多少?
化简(1)√3sin x+cos x (2)√2(sin x-cos x) (3)√2cos x-√6sin x
化简sin(x+60°)+2sin(x-60°)-3
化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
已知函数f(x )=sin ^2x +2√3sin x cos x +3cos^x 、求函数f (x )的单调增区间
化简sin(2π+x)cos(π-x)sin(π-x)/cos(x-π)sin(-π-x)sin(π+x)
1.y=cos(2x+60°)+sin x平方.化简.
化简y=sin^2(x)+2sin(x)cos(x)+3cos^2(x)
化简cos²(-X)-【tan(360°+X)】/【sin(-X)】
已知函数f(x)=cos(2x-pi/3)+2sin(x-pi)*sin(x+pi/4)
cos(2x+派/2)=sin(2x)?
(急)数学化简题根号3 sin x+cos x1-2sin2 x+sin x cos x注:sin2 x是sin平方x