Question

y=(sinx-3/2)2-2使函数取最大值最小值的自变量x的取值

Answer 1

y=(sinx-3/2)^2-2

y(min)=-3/4 ,sinx=1 ,x=2kπ+π/2 ,k∈z

y(max)=17/4,sinx=-1 ,x=2kπ-π/2 ,k∈z