sinx+cos(x+π/3)化简
化简{sin(π+x)}/1+cos(3π-x)根号下(tanx-sinx)/(tanx+sinx)
化简cos(x+3o.)CoSx+Sin(x+30.)Sinx
化简tan(3x/2)-tan(x/2)-sinx/(cos(3x/2)*cos(x/2))
化简 sinx+sin(x+2π/3)+cos(x+5π/6)
f(x)=2cos(2x+π/3)+√3(sinx+cosx)^2 化简
cosx+根号3sinx=2cos(x-π/3)
sinX=1/3 ,cos(2X - π)=
cos(2x+3分之π)+sinx的方化简
已知函数f(x)=cos(2x-π/3)+(cosx+sinx)(cosx-sinx)
化简2sinx*cosx*cos(2π-x)+cos(π+2x)*cosx*tanx
∫(sinx/cos^3x)dx
求不定积分 sinx/cos^3x dx