(1)-25/6π
(2)-5π
(3)-45度
(4)400度
要过程``
答的好`` 还给加分``谢谢了 `
(1)-25/6π
=36/6π-25/6π=11/6π+2kπ
(2)-5π
=π+2kπ
(3)-45度历尺
=-1/4π=7/4π+2kπ
(4)400度滑基
=360度+40度=2π+2/9π=2/信烂谨9π+2kπ
(1)-25/6π =-6π+11π/6
(2)-5π =-6π+π
(3)-45度=-π/4=-2π +7π /态局猜帆型4
(4)400度=400π/180=20π/9=2π+2π/腊迅9