若-2π/3≤θ≤2π/3则sin(θ-π/3)的取值范围?
问题描述:
若-2π/3≤θ≤2π/3则sin(θ-π/3)的取值范围?
答
-2π/3≤θ≤2π/3 -π≤θ-π/3≤π/3 -1≤sin(θ-π/3)≤根号3/2
若-2π/3≤θ≤2π/3则sin(θ-π/3)的取值范围?
-2π/3≤θ≤2π/3 -π≤θ-π/3≤π/3 -1≤sin(θ-π/3)≤根号3/2