Lessons associated with Trigonometric Functions:
Lesson 27 – Related Angles – Signs of Trigonometic Functions
Lesson 36 – Angles Greater Than 360° – Sums of Trigonometric Functions – Boat-in-the-River Problems
Lesson 43* – Periodic Functions – Graphs of Sin θ and Cos θ
Lesson 52 – The Inviolable Argument – Arguments in Trigonometric Equations
Lesson 60 – Factorable Trigonometric Equations – Loss of Solutions Caused by Division
Lesson 65 – Radicals in Trigonometric Functions – Graphs of Logarithmic Functions
Lesson 84* – Factorable Expressions – Sketching Sinusoids
* Covered in Graphing Sinusoidal Functions
SOTW and Other Resources 