sinA/1-cosA +tanA/1+cosA =secAcosecA+cotA ;cosA+cosecA-1/cotA+cosecA+1 =cosecA+cotA
PROVE THE FOLLOWING
cosec(65+A) - sec(25-A)
Asked by Shazia.micro | 2nd Apr, 2015, 07:26: PM
Expert Answer:

Answered by Prasenjit Paul | 3rd Apr, 2015, 09:24: AM
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