1.

1+cosA-sin^2A/sinA(1+cosA)=cotA​

Answer»

Step-by-step EXPLANATION:

1+COSA-Sin²A / SINA(1+CosA)

CosA+Cos²A / SinA(1+CosA)

CosA(1+CosA)/ SinA(1+CosA)

CosA/SinA

= COTA



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