Question

1-cosA/sinA=sinA/1+cosA​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

(1 - cos A)/sin A = (1 - cos A)(1 + cos A)/ sin A ( 1 + cos A)

= (1 - cos^2 A)/ sin A ( 1 + cos A)

= sin ^2 A/sin A ( 1 + cos A)

= sin A/( 1 + cos A)

hence proved