Question

prove this please I need the steps

Answer 1

square both sides


1+cos/1-cos

solve rhs

(1/sin+cos/sin)^2

(1+cos/sin)^2
(1+cos)(1+cos)/1-cos^2

(1+cos)(1+cos)/(1-cos)(1+cos)

1+cos/1-cos

Answer 2

hope this will be helpful.... please mark it as the brainliest..!!
have a good day...thank you