若sin(cosx)﹥sin(1/2)，则锐角X的取值范围是()．

若sin(cosx)﹥sin(1/2)，则锐角X的取值范围是()．

A、0﹤x﹤π/3
B、π/3﹤x﹤π/3
C、0﹤x﹤π/6
D、π/6﹤x﹤π/2
【正确答案】：A
【题目解析】：假设cosx=1/2，即锐角x=π/3，若sin(cosx)﹥sin(1/2)，即0﹤x﹤π/3