Question

sin² + 1/1+cot² =1

please give me answer......​

Answer 1

Answer:

LHS = 1 + sin²A/1 + cot²A.

= 1 + sin²A/cosec²A.

= 1 + sin²A/1/sin²A.

= 1 + sin²A × sin²A.

= 1 = RHS.