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solve the trwhat is the final expressionsolve the trwhat is the final expression

 solve the trwhat is the final expressionsolve the trwhat is the final expression

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Grade:12th pass

1 Answers

Darsh patel
103 Points
6 years ago
LHS = (cotA + cosecA - 1)/(cotA - cosec A + 1)[cotA + cosecA + (cot2A - cosec2A)] / (cotA – cosecA + 1) {because cot2A – cosec2A = -1}(cotA + cosecA ) + [ (cotA + cosecA) (cotA – cosecA ) ] / (cotA - cosecA + 1) (cotA + cosecA) (1 + cotA - cosecA) / (cotA - cosecA + 1)(cotA + cosecA)cosA / sinA + 1 / sinA 1 + cosA / sinA. Approve it if satisfied

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