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3 Prove the identity: sin30 = sin® –sin30 using De Moivre's theorem.

3 Prove the identity: sin30 = sin® –sin30 using De Moivre's theorem.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 2RE
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3 1 Prove the identity: sin30 = -sine – sin30 using De Moivre's theorem. 4 4
Transcribed Image Text:3 1 Prove the identity: sin30 = -sine – sin30 using De Moivre's theorem. 4 4
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