y=-2sin(2x-π/3) x∈[0,5/3]的值域为多少
问题描述:
y=-2sin(2x-π/3) x∈[0,5/3]的值域为多少
答
x∈[0,5/3],
则2x-π/3∈[-π/3,(10-π)/3]
又π/2