g(x)=1/2sin2(x+π/2)还能继续化简么?

问题描述:

g(x)=1/2sin2(x+π/2)还能继续化简么?

g(x)=-1/2sin2x

g(x)=1/2sin2(x+π/2)=1/2sin(2x+π)=-1/2sin2x