Question

(sectheta +tantheta - 1) (sectheta + tantheta ) = 2+ tantheta​

Answer 1

Hey friend!!!

Seems some mistake in ur question!!

The question is

$( \sec \alpha + \tan\alpha - 1) (\sec\alpha + \tan\alpha + 1) = 2 + \tan\alpha$

HOPE that it will help you ✌️ ✌️