-108°和-225°怎么化成2kπ+a（0≤a＜2π,_数学解答

-108°和-225°怎么化成2kπ+a（0≤a＜2π,

人气：311 ℃　时间：2020-10-01 04:58:56

解答

-108°
=2kπ+2π-108°
=2kπ+360°-108°
=2kπ+252°
-108°
=2kπ+2π-225°
=2kπ+360°-225°
=2kπ+135°