Join Mr. Jennings in this lesson on trigonometric equations. Explore key concepts like the CAST rule, related acute angles, special triangles, and solving both exact and approximate solutions using inverse trig functions and quadratic methods. Learn practical strategies for problem-solving, domain considerations, and leveraging graphing tools like Desmos to enhance understanding.
00:07 Introduction and Overview
01:54 Review of CAST Rule
03:17 Related Acute Angles & Special Triangles
06:22 Range and Domain of Trig Functions
06:29 Solving Basic Trigonometric Equations
11:06 Factoring and Quadratic Substitution
18:12 Using Quadratic Formula in Trig
26:01 Solving with Inverse Functions
34:39 Handling Multiple Solutions and Periods
37:21 Adjusting Periods and Frequency
39:50 Examples with Cosine and Sine Multiples
46:30 Solving Tangent and Cotangent Equations
55:30 Practice Tips and Final Thoughts
