y=-2sin(3x+4π)
1.y=cos^4x+sin^4x 求周期 2.y=(sin2x+sin(2x+π/3))/( cos2x+cos(2x
证明sinx+siny+sinz-sin(x+y+z)=4sin((x+y)/2)sin((x+y)/2)sin((x+
函数y=3sin(2x+π4
函数y=2sin(3x+π4
求下列函数的导数 y=(2x+3)^3.y=e^x^2-2x.y=sin(2x+4分之π)
y=sin(-3x) =-sin3x y=cos(3x+π\4) =cos(π/2+3x-π/4) =-sin(3x-π
y=sin2x y=sin(x+π/3) y=3sin(2x+π/3)
函数y=sin(x+π/3)sin(x+π/2)的最小正周期T=?
函数y=sin(x+π/3)×sin(x+π/2)的最小正周期是多少
y=sin(π/4+x/2)sin(π/4-x/2) =sin(π/4+x/2)sin[π/2-(π/4+x/2)]
已知函数y=2sin(2x-π/4)-2根号2sin^2x
求y=1/2sin(-2x+π/4)+3图像