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April 18, 2015

April 18, 2015

Posted by **Matt** on Thursday, January 18, 2007 at 7:48pm.

give exact value sin 15 degrees.

give exact value sin 225 degrees.

You will have to use the addition relations here. Notice 75 is 30 +45, 15 is 45-30, and 225 is 180 + 45.

I will be happy to critique your work.

- trig -
**Anonymous**, Thursday, July 7, 2011 at 5:53pmhow would you find csc^2 of 42 degrees then?

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