y=sin(3x+2)求y'
y =(cos^2) x - sin (3^x),求y'
Sin x-sin y=2/3 cos x-cos y=1/2 求cos(x-y)
sin(x+y)sin(x-y)=k,求cos^2x-cos^2y
y=sin(x^2),求dy/d(x^3)
sin^2x+cos^2y=1/2 求3sin^2x+sin^2y的最值
求微分方程y'+sin[(x+y)/2]=sin[(x-y)/2]通解
y=sin^2*1/x求y"
求y=sin(e^2x)的微分y'
求函数y=2sin(2x+π3
求函数y=sin(2x+π3
y=sin(x+π/3)+2定义域怎么求?
求y=sin平方(2x-3)要步骤