Trig Tour - Using Reference Angles with a Unit Circle A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Title Trig Tour - Using Reference Angles with a Unit Circle
Description In this lesson, students will dig deeply into the unit circle to find strategies for locating additional angles (reference angles) having the same trigonometric values.
Subject Mathematics
Level High School
Type Guided Activity
Duration 30 minutes
Answers Included No
Language English
Keywords Cosine, Sine, Tangent, Trigonometry, Unit Circle
Simulation(s) Trig Tour (HTML5)


Author(s) Susan Miller
Contact Email susan.miller@colorado.edu
School / Organization University of Colorado
Date submitted 16/03/15
Date updated 17/06/26