Last edited by gashbell1; September 19th 2012 at 08:30 AM.
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Originally Posted by gashbell1 Please prove.
2tan x 2
-------- = --------
1- tan2x cot x - tan x
please prove that L = R
??? =? R
Thanks Is this what you're trying to prove?
Originally Posted by gashbell1
But what about left to right?
Originally Posted by gashbell1 But what about left to right? That is redundant. To show two things are equal, you can go either way. It is always best to choose whichever way is easier.
We have: .
Divide numerator and denominator by . . .
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