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OpenStax, Algebra and Trigonometry 2e §9.5 Solving Trigonometric Equations · Exercise 14 · Trigonometry · Identities

Solving Trigonometric Equations · Exercise 14

Solve exactly on $[0, 2 π) .$

$2 cos θ = - 1$

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OpenStax, Algebra and Trigonometry 2e · §9.5 Solving Trigonometric Equations · Exercise 14

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