y=sin(2x+π6
函数y=sin(x+π6
已知y=sin(2x+π/6) 求值域
证明sinx+siny+sinz-sin(x+y+z)=4sin((x+y)/2)sin((x+y)/2)sin((x+
一道三角恒等式证明题请证明sin(x+y)sin(x-y)=sin^2(x)-sin^2(y)
设函数 f(x)=sin(2x+y),(-π
y=sin2x y=sin(x+π/3) y=3sin(2x+π/3)
已知函数y=2sin(2x-π/4)-2根号2sin^2x
y=sin(π/4+x/2)sin(π/4-x/2) =sin(π/4+x/2)sin[π/2-(π/4+x/2)]
y=sin(2x+π/6)+3/2 怎么由平移 y=sinx 得到
将函数y=sinx的图像转变为y=sin(2x+π/6)
sin(x+y)sin(x-y)=k,求cos^2x-cos^2y
求函数的值域y=sin(2x+π/3),x∈(-π/6,π)