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Sin A/1+cosA=cosecA-cot A prove it plzz |
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Answer» LHS = cosecA - cotA = 1/sinA - cosA/sinA = (1 - cosA)/sinA On Rationalising we GET, = (1 - cosA)/sinA * (1 + cosA)/(1 + cosA) = sin^2A/sinA(1 + cosA) = sinA/(1+ cosA) = RHS Hence Proved. ✨Hope it will help you.✨ |
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