Question

Solve this... question↓↓↓

Answer 1

Answer:

go through following attachment

Answer 2

in this question we have to evaluate LHS

Related formula

$\large \green{ \underline{related \: \: formula}} \\ \\ \large \implies{ \sin {}^{2} ( \theta) + \cos {}^{2} ( \theta) = 1} \\ \\ \large \implies{ \sec {}^{2} ( \theta) - \tan {}^{2} ( \theta) = 1} \\ \\ \large \implies{ \csc {}^{2} ( \theta) - \cot {}^{2} ( \theta) = 1 }$