Question

Prove that cot^3sin^3/(cos+sin)^2 + tan^3cos^3/(cos+sin)^2 = (sec cosec-1)/cosec+sec

Answer 1

Answer:

prove that cot3 sin3/(cos+sin)2 +tan3 cos3/(cos-sin)2 =sec cosec-1/cosec+sec

Answer 2

Answer:

Step-by-step explanation:

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