Y=sin(x +π/3)则f(x)的单调增区间

题目

Y=sin(x +π/3)则f(x)的单调增区间

答案

当2kπ-π/2≤x +π/3≤2kπ+π/2,k属于整数时,Y=sin(x +π/3)是增函数,
即
当2kπ-5π/6≤x ≤2kπ+π/6,k属于整数时,Y=sin(x +π/3)是增函数,
即单调增区间[2kπ-5π/6,2kπ+π/6],k属于整数.