Showing posts with label inverse tangent formula with pi. Show all posts
Showing posts with label inverse tangent formula with pi. Show all posts

Tuesday, August 25, 2015

How to improve your thinking skills?

What methods one could use to prove inequalities IMO problems?

Off the top of your head, you might want to shout out that AM-GM inequality, Cauchy Schwarz inequality. Jensen's inequality are among the "hot" and popular methods that you would consider using to effectively prove the inequality hard IMO problem.