来自丛兰兰的问题
【已知函数f(x)=(1+1/tanx)sin(x)^2-2sin(x+π/4)*cos(x+π/4)(1)若tanα=2,求f(α)(2)若x∈[π/12,π/2],求f(x)的取值范围】
已知函数f(x)=(1+1/tanx)sin(x)^2-2sin(x+π/4)*cos(x+π/4)
(1)若tanα=2,求f(α)
(2)若x∈[π/12,π/2],求f(x)的取值范围
1回答
2020-06-24 23:07