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∘

Solution:

θ=60∘, 300∘

Diagnostic:

See 6.2: Equations (Trigonometric) .

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July 15, 2008