函数f(x)=sin(x+3π/2)sin(x-2π) 1)求函数f(x)的最值和最小正周期.2)计算f(π/6)+f(π/12)急
问题描述:
函数f(x)=sin(x+3π/2)sin(x-2π) 1)求函数f(x)的最值和最小正周期.2)计算f(π/6)+f(π/12)急
函数f(x)=sin(x+3π/2)sin(x-2π)
1)求函数f(x)的最值和最小正周期.
2)计算f(π/6)+f(π/12)急
答
f(x)=sin(x+3π/2)sin(x-2π)=-sin2x
最大值1,最小值-1,最小正周期π