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CBSE Class 10 Answered

1] tanA+sinA=m tanA-sina=n, prove that (m2-n2=16mn 2] cotA-1+cosecA/cota+1-cosecA=1/cosecA-cotA
Asked by | 31 Aug, 2011, 10:07: PM
answered-by-expert Expert Answer
Please post one query at a time.
The first question should correctly be:
If tan A + sin A = m,  tan A - sin A = n,  prove that (m2 - n2 )2 = 16 mn
Its solution is as follows:
Answered by | 01 Sep, 2011, 09:41: AM

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