Question

Prove that cosA-sinA+1/cos+sinA-1=secA+tanA

Answer 1

What did you do so far

Answer 2

The FIRST thing you should do is remember your Order of Operations.

I'm confident you meant: (cosA-sinA+1)/(cosA+sinA-1)=secA+tanA

The parentheses are NOT optional.

Answer 3

try first converting everything to sin and cos

so RHS = (1 + sin A) / cos A

Answer 4

looking into this further tkhunny's suggestion cannot be right because i plugged in 30 degrees into the identity and it didn't fit
@jayaprasanna - plz check the question again