Question

Prove:
$( \sec\alpha - cosec \: \alpha)(1 + \tan \alpha + \cot \alpha = \tan \: \alpha \sec \alpha - \cot\alpha \cosec \alpha$
​

Answer 1

Step-by-step explanation:

tex]( \sec\alpha - cosec \: \alpha)(1 + \tan \alpha + \cot \alpha = \tan \: \alpha \sec \alpha - \cot\alpha \cosec \alpha[/tex]