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January 31, 2015

January 31, 2015

Posted by **renee** on Sunday, May 1, 2011 at 11:42pm.

- trigonometry-math -
**MathMate**, Monday, May 2, 2011 at 12:01amDo you really mean:

sin(2t)-cos²(t)=1=sin²(t)+sin(t)

Also, this is equivalent to two equations.

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