集合A={x|k派-派/4

集合A={x|k派-派/4<01/2},则A交B=?

依题意,A=(kπ-π/4,kπ+π/4),B=(2kπ+π/6,2kπ+5π/6),k∈Z
画出单位圆,解得A∩B=(2kπ+π/6,2kπ+π/4)∪(2kπ+3π/4,2kπ+5π/6),k∈Z

2k∏+∏/6