Problem with using Power-Reducing Trigonometric identities

greerhead
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Homework Statement


Tan^3Theta


Homework Equations



Tan^2Theta=1-cos2Theta/1+cosTheta

The Attempt at a Solution


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What are you trying to reduce it to?
 
until there are no terms with a power greater than 1
 
greerhead said:
until there are no terms with a power greater than 1

Then you can just replace tan by sin/cos in your third line and multiply out and you will have no term whose power is greater than one.
 
Thanks! I was over complicating it, like usual.
 

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