Untangling Trigonometry and M24 Limit Problem

00:00 Introduction 00:53 Pythagorean Identity and unit circle 02:29 Double angle formula and unit circle 05:44 Compound angle formula and unit circle 11:11 Exam Question (M11) 15:02 Squeeze Theorem 15:51 Exam Question (N23) 17:24 First Principles on Sine 22:03 Fundamental Limits of Trigonometry 25:36 Exam Question (M21) 26:46 Exam Question (M24) #ibmath #ibmathematics #analysis_and_approaches #applications_and_interpretation #mathematicsvideo #revision #trigonometry #lhopital #limit