Section 4.4
Trigonometric Functions of Any Angle
Reference angles, signs of trig functions in each quadrant, evaluating trig functions for any angle.
8 lessons. Pick what you need.
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Lesson
Lesson Introducing Trigonometric Functions from Standard Position
Examples
Examples Finding the Values of Trig Functions, Terminal Side Through a Certain Point
Examples
Examples Finding the Values of Trig Functions, Equation of Terminal Side Given
Lesson
Lesson Evaluating Trig Functions for Quadrantal Angles
Examples
Examples Finding Values of Trig Functions for Quadrantal Angles
Lesson
Lesson Referencing Angles and Non-Acute Angles (non-quadrantal angles)
Examples
Examples Using Reference Angles to Evaluate Trig Functions and Expressions
Examples