Trigonometric Equations

Michigan State University - Diagnostic Exam

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6.13

Solve the equation $2cos θ = 1$ for $∘ ∘ 0 ≤ θ ≤ 360$ .

a) $∘ ∘ ∘ 0 , 60 , 300$ b) $∘ ∘ 60 , 300$ c) $∘ 60$

d) $0∘, 60∘, 180 ∘$ e) $60∘, 90 ∘, 270∘, 300∘$

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July 16, 2008