Thursday
September 18, 2014

Homework Help: Math

Posted by Emily on Wednesday, December 22, 2010 at 6:02pm.

State the restrictions on the variables for these trigonometric identities.
a)(1 + 2 sin x cos x)/ (sin x + cos x) = sin x + cos x
b) sin x /(1+ cos x) = csc x - cot x

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