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Angles in Trigonometry - Trigonometry - Pre-Calculus

Brian McLogan via YouTube

Overview

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This beginner lesson explains how to label and graph angles in standard form, convert between degrees and radians, and find reference, complementary, supplementary, and coterminal angles.

Syllabus

Intro
Standard Form The standard form of an angle begins with a ray along the positive x-axis and rotates about a vertex at the origin in counterclockwise direction to another ray called the terminal side.
Convert Radians and Degrees
Sketch Degrees a. 30
Sketch Axes a.
Sketch the angle in standard form ex.
Graph the angle in standard form and then determine the reference angle ex.
Determine the smallest positive and negative coterminal angles

Taught by

Brian McLogan

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