Tuesday
October 21, 2014

Homework Help: trig

Posted by Priya on Thursday, May 1, 2008 at 5:09pm.

If sin theta = x and -pi/2 is less than or equal to theta less than or equal to pi/2, find sin 2theta and cos 2theta in terms of x.

Is it alright if I recommend you to my classmates tommorow? YOu seem to know more than my professor!

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