Posted by **Courtney** on Tuesday, February 17, 2009 at 5:53pm.

tan(to the second power) s sin(to second power)=tan(to second power + cos(second power) s - 1...I need the steps on how to get it to equal...problem looks like tan2 s sin2 s=tan2 s + cos2 s - 1...thanks if you can figure it out

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