1.

Sin A/1+cosA=cosecA-cot A prove it plzz

Answer»

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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