October 14, 2015

Homework Help: TRIG

Posted by rossi on Friday, November 26, 2010 at 4:35pm.

what is another form of: sin (A+B) sin (A-B)/ cos^2 A cos^2 B

a) cos^2 A - cos^2 B
b) tan^2 A - tan^2 B
c) tan^2 A - tan^2 B
d) sin^2 A - sin^2 B

please show the steps you take to get to the answer! thank you

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