函数y=sin(x+π/4)的增区间
问题描述:
函数y=sin(x+π/4)的增区间
A.[π/2,π]
B.[0,π/4]
C.[-π,0
D.[π/4,π/2]
答
2kπ-π/2
函数y=sin(x+π/4)的增区间
A.[π/2,π]
B.[0,π/4]
C.[-π,0
D.[π/4,π/2]
2kπ-π/2