Question

Find the value of —— sin²∅ (1 + cot²∅)

Answer 1

Answer:

${ \sin}^{2} \alpha (1 + { \cot}^{2} \alpha ) \\ \\ { \sin}^{2} \alpha \times { \csc}^{2} \alpha \\ \\ { \sin }^{2} \alpha \times \frac{1}{ { \sin }^{2} \alpha } = 1$