Homework Help: pre calc

Posted by kate on Thursday, January 21, 2010 at 7:21pm.

Convert the following from degrees to radians leave your answer in terms of pi

150 degrees and 180 degrees

pre calc - drwls, Thursday, January 21, 2010 at 7:25pm
360 degrees is 2 pi radians

Therefore 180 degrees is pi radians

150 degrees is 5/6 of that.

Multiply degrees by pi/180 to get radians.
pre calc - kate, Thursday, January 21, 2010 at 7:28pm
so 150 degrees is 5 pi/6
and 180 degrees = pi
pre calc - drwls, Thursday, January 21, 2010 at 7:38pm
Yes
pre calc - kate, Thursday, January 21, 2010 at 7:42pm
is 270 degreees equal to 3 pi/2
pre calc - drwls, Thursday, January 21, 2010 at 7:43pm
Yes again

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