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Grade: 12th pass

                        

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

3 years ago

Answers : (1)

Darsh patel
103 Points
							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
						
3 years ago
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