Question

(1-COS A) / sinA=sin A / (1+cos A)​

Answer 1

Answer:

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Answer 2

Answer:

LHS= RHS

Step-by-step explanation:

LHS

= (1-cosa)/ sina

By rationalization we can do it

Multiplying (1+ cosa) in num. and denom.

= (1-cosa)(1+ cosa)/ sina( 1+ cosa)

= (1-cos²a)/ sina(1+cosa)

= sin²a/ sina ( 1+cosa)

Now cancel out the above sin²a/ sina = sina

= sina / ( 1+ cosa) {Proved}

Hence, LHS = RHS