Respuesta :

anup12222gupta

Answer:

The Answer is SinA.

Explanation:

(1 + cosA ) ( 1 + cosA ) cosecA

= (1)^2 - ( cosA )^2 × cosecA

= 1 - cos^2A × cosecA

= Sin^2 × cosecA

= ( 1 / cosecA )^2 × cosecA

= ( 1 / cosecA × cosecA ) × cosecA

= 1 / cosecA

= SinA

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