Identities
Asked by siddhanth | 3rd Jul, 2013, 08:29: PM
Expert Answer:
Please ask one question at a time. The answer to your first question is as follows:
LHS
= cos ^2A/cosA - sin A + sin^2 A/sinA-cos A
= cos ^2A - sin^2 A/cosA - sin A
= (cosA - sinA)(cosA + sinA)/cosA - sin A
= cos A + sinA
= RHS
Answered by | 3rd Jul, 2013, 10:50: PM
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