Question

hello all of you!!! plz...
help me in this question I'll mark you as a brainliest ♥♥♥

Answer 1

PLZ MARK AS BRAINLIST

Answer 2

Answer:

Step-by-step explanation:

Sin/cosA/(1-cosA)/cosA+sinA/cosA/(1+cosA)'cosA

SinA/1-cosA + sinA/1+cosA

(sin(1+cosA)+sinA(1-cosA))/(1-cosA)(1+cosA)

=2sinA/sinA+cosA=1

=2/sinA

=2*1/sinA

=2cosecA...

Hence proved..

Hope it helps you my dear friend..

Please mark my answer as brainliest... ❤✌