把下列各角化为2k π+a (0
问题描述：
把下列各角化为2k π+a (0
答
(50π)/3=8*2π+2π/3
(-50π)/3=-9*2π+4π/3
-108°=-108π/180=-3π/5=-2π+7π/5
-225°=-225π/180=-5π/4=-2π+3π/4