问题
选择题
下列转化结果错误的是( )
|
答案
(1)60°=60°×
=π 180 π 3
(2)-
π=-10 3
× 180°=-600°10 3
(3)-150°=-150°×
=-π 180
π5 6
(4)
=π 12
×180°=15°1 12
故选C.
下列转化结果错误的是( )
|
(1)60°=60°×
=π 180 π 3
(2)-
π=-10 3
× 180°=-600°10 3
(3)-150°=-150°×
=-π 180
π5 6
(4)
=π 12
×180°=15°1 12
故选C.