Math 20-1: Trigonometric Ratios of Any Angle

1. Introduction: 00:04
2. Develop CAST rule:
a) Investigate: Given a point on the terminal arm, determine the exact trigonometric ratios for sine, cos, and tan: 02:09
b) Summary: 07:42
3. Examples - Determine exact values:
a) for two trigonometric ratios given a third: 08:10
b) using a special triangle: 11:54
c) for quadrantal angles: 15:24