Prove that I am having real trouble with these pythagorean identities, I have the rules but don't even know where to start.
Follow Math Help Forum on Facebook and Google+
Originally Posted by greghunter Prove that I am having real trouble with these pythagorean identities, I have the rules but don't even know where to start. If you know the identities you will remember that . If we put this into the right hand side we get . Can you finish this off?
Oh just to note, it's perfectly legitimate to start on either side of the equation and make that equal to another.
Thanks Craig, I think I just need to do some more practice on these
Originally Posted by greghunter Thanks Craig, I think I just need to do some more practice on these No problem. As long as you remember this is all you need, just divide through by either or to get the other two. That's also providing you remember all the double angle formulas etc.
View Tag Cloud