Question

Please verify and show all work:
1.) tan^2x+sec^2x=1

2.) tanx=cosx/sinx

3.) 1+cot^2x=sec^2x

4.) tanx=sinx/cosx

5.) 1+cotx=cscx

6.) sin^2x+cos^2x=1

Answer 1

You still haven't done any of these??? Use a Pythagorean identity for the first one.