20. Prove the identity:
Asked by | 15th Feb, 2009, 12:41: PM
The R.H.S. if simplified becomes equal to secA + tan A.
This is the hint to us that we must convert the LHS also to secA and tanA .
So this is how we'll do it.
Divide the LHS numerator and denominator by cos A
Answered by | 16th Feb, 2009, 11:17: AM
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