stuck with 4 questions
hi there, im currently stuck on 4 questions at the moment
1. 9x^2 -14x + 1 = 0
PROVE THE FOLLOWING IDENTITIES
2. tan2 A= sin2 A / 1 - sin2 A
3. 2 - tan2 A ≡ 2Sec2 A - 3tan2 A
hope someone out there can help would be much appreciated
Use the quadratic formula. Are you familiar with it?
Originally Posted by chaos
no im not unfortunatly, can you explain step by step please?
Originally Posted by mr fantastic
thanks alot for the help guys, much appreciated