Divide both sides by . See what you get
I have been trying to work out a problem from my homework set and cannot get it. I have to use the identity
sin^2(x) + cos^2(x) = 1
to derive the identity
tan^2(x) + 1 = sec^2(x)
I would appreciate it if someone could just give me a hint on how to solve this problem. I have tried this numerous ways but cannot get it.