1.17: Trigonometric Functions and Angles of Rotation Difficulty Level: At Grade Created by: CK-12 % Progress MEMORY METER This indicates how strong in your memory this concept is Practice Progress % % Practice Now MEMORY METER This indicates how strong in your memory this concept is Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English TermDefinition Quadrantal Angle A quadrantal angle is an angle that has its terminal side on one of the four lines of axis: positive , negative , positive or negative . Image Attributions Show Hide Details Description Describing trig functions as relationships on the unit circle Learning Objectives None Difficulty Level: At Grade Authors: Bradley Hughes Larry Ottman Lori Jordan Mara Landers Andrea Hayes Brenda Meery Art Fortgang Tags: angle of rotation MAT.TRG.160.L.1 trig function (1 more) unit circle Subjects: mathematics Concept Nodes: MAT.TRG.160 (Trigonometric Functions and Angles of Rotation) Grades: 10 , 11 , 12 Date Created: Sep 26, 2012 Last Modified: Mar 23, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.