is the equation sec^2x-1=tan^2x an identity ?

Question

kainui · Answer

multiply both sides of the equation by cos^2x

anonymous · Answer

@Kainui could you help me with the answer :) I'm sorry I'm sleepy my brain is dead right now

anonymous · Answer

@Kainui Please?

anonymous · Answer

could somebody tell me if it is false or true please

anonymous · Answer

I'll give a medal

anonymous · Answer

It's true http://www.wolframalpha.com/input/?i=sec%5E2x-1%3Dtan%5E2x+

anonymous · Answer

@msasu25 thanks

anonymous · Answer

This is one of the most common identities, kai explains things amazingly, and here we don't just give answers, so with your attitude you are losing whatever free help is being offered to you. You should take some initiative in your own work before asking others to do it for you.

anonymous · Answer

dude its 1:40 am I'm sleepy

abhisar · Answer

Ghscar04, This website is for learning and teaching. People come here to get help (and not answers) and teach (and not give answers). Asking and giving direct answers both are against the code of conduct.

anonymous · Answer

That's really not of anyones concern, it's your fault you're asking this so late.

anonymous · Answer

Anyways good luck and take care.

abhisar · Answer

Ghascar, then i'll suggest you better grab some coffee or come next morning. We will be glad to help you :)

anonymous · Answer

Ok thanks