Question

HEY MATHS EXPERT'S AND GENIUS.

CAN ANYONE ANSWER THIS ATTACHMENT

Answer 1

hope it helps you bro

Answer 2

$Question:$

$\sqrt{\frac{1+cosA}{1-cosA} } +\sqrt{\frac{1-cosA}{1+cosA} }\\\\= \frac{\sqrt{(1+cosA)}^{2}+\sqrt{(1-cosA)^{2}}}{\sqrt{1-cos^{2}A} } \\\\= \frac{1+cosA+1-cosA}{\sqrt{sin^2A} } \\\\= \frac{2}{sinA} \\\\= 2cosecA.$

Thanks..