1.25: Pythagorean Identities 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 Pythagorean Identity The Pythagorean identity is a relationship showing that the sine of an angle squared plus the cosine of an angle squared is equal to one. Image Attributions Show Hide Details Description Defining trigonometric identities that rely on the Pythagorean Theorem Learning Objectives None Difficulty Level: At Grade Authors: Bradley Hughes Larry Ottman Lori Jordan Mara Landers Andrea Hayes Brenda Meery Art Fortgang Tags: MAT.TRG.188.L.1 Pythagorean identities Pythagorean theorem (1 more) trigonometric identities Subjects: mathematics Concept Nodes: MAT.TRG.188 (Pythagorean Identities) 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.