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Lesson Plan

Illustrative Mathematics: G Srt Sine and Cosine of Complementary Angles

Curated by ACT

The goal of this task is to provide a geometric explanation for the relationship between the sine and cosine of acute angles. In addition, students will need to think about the sine and cosine as functions of an angle in order to reason about when sin a = cos a. Aligns with G-SRT.C.7.

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CCSS: Designed
Concepts
complementary angles
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Additional Tags
cc by-nc-sa 4.0, ccss.math, creative commons attribution-noncommercial-sharealike 4.0, g-srt.c.7, hsg-srt.c.7, illustrative mathematics, illustrative mathematics: g-srt sine and cosine of complementary angles hsg-srt.c.7, sine and cosine of complementary angles, acute angle
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core
HSG-SRT.C.7