﻿ Algebra II Module 2, Topic B, Lesson 17 | EngageNY

Algebra II Module 2, Topic B, Lesson 17

Student Outcomes

• Students see derivations and proofs of the addition and subtraction formulas for sine and cosine.
• Students prove some simple trigonometric identities.

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Common Core Learning Standards

CCLS State Standard
F.TF.8 Prove the Pythagorean identity sin2(θ) + cos2(θ) = 1 and use it to calculate trigonometric ratios.
F.TF.9 (+) Prove the addition and subtraction formulas for sine, cosine, and tangent and use them to solve...