MathNotes

Thursday, October 22, 2015

something about e


Posted by Axima at 11:10 AM No comments:
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Tuesday, May 5, 2015

Geometric Proof of Double Angle Formula

Geometric Proof of Double Angle Formula of Sin

Posted by Axima at 3:34 PM No comments:
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Labels: Cos(A+B), Double Angle, Formula, Geometric Proof, Sin(A+B)
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