Math, asked by vyshnaviappu25, 20 days ago

© - prove that 1+sin A/Cos A = Cos A/1-sinA

Answers

Answered by amannscharlie

3

LHS = (1 + sinA)/ cosA

rationalizing

(1 + sinA) (1 - sinA) / cosA(1 - sinA)

(1 - sin²A)/ cosA (1 - sinA)

cos²A/ CosA (1 - sinA)

cosA/(1 - sinA) = RHS

•°• LHS = RHS

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