October 9, 2015

Homework Help: trig

Posted by Matt on Monday, April 27, 2009 at 9:11pm.

I do not understand these problems. :S
I'd really appreciate the help.

Use trigonometric identities to transform the left side of the equation into the right side.

cot O sin O = cos O

sin^2 O - cos^2O = 2sin^2 O -1

(tan O + cot O)/tan O = csc^2 O

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