Friday
September 19, 2014

Homework Help: Math Help

Posted by suzi on Saturday, February 26, 2011 at 2:57pm.

1) 1+cos(3t)/ sin(3t) + sin(3t)/( 1+ cos(3t))= 2csc(3t)

2) sec^2 2u-1/ sec^2 2u= sin^2 2u

3) cosB/1- sinB= secB+ tanB

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