化简sin(π+π/3)+2sin(x-π/3)-根号下3 *cos(2π/3-x)

化简 sin²x+sin²(x+2π/3)+sin²(x-2π/3) sin^2(π/3-x)+sin^2(π/6+x) sin(3π/2-x)化简 化简sin(α+β)+sin(α-β)+2sinαsin(3π/2-β)= 化简:(sinα-cosα)^2+sin4α/2cos2α 化简:sin^2x+sin^2(x+2π/3)+sin^2(x-2π/3) 化简2sin^2[(π/4)+x]+根号3（sin^x-cos^x）-1 化简：（sinx）^2+(sin（x+π/3))^2+(sin(x+2π/3))^2 化简 sin^2(π/3,x）+sin^2(π/6+x） y=sin(x+π/3)sin(x+π/2)化简 化简sin(2x+π/3)-（根号3）sin²x+sinxcosx+(根号3)/2 f(x)=cos(2x-x/3)+2sin(x-π/4)sin(x+π/4)sin(x+π/4)化简. 化简sin（2π+x）cos（π-x）sin（π-x）/cos（x-π）sin（-π-x）sin（π+x） f(x)=2sinx*sin(x+π/3) 化简 sin(x+π/3)用诱导公式化简如题sin(2x+π/3)和3sin(2x+π/3) 已知sin(x+π/6)=1/3,求sin(5π/6-x)+sin^2(π/3-x) 已知sin(x+π/6)=1/4,求sin(5π/6-x)+sin^2(π/3-x) 化简[1-(sin^4 x-sin^2 xcos^2 x+cos^4 x)]/(sin^2 x)+3sin^2 x 2sin(x+π/4)sin(x-π/4)=?