
Mark M. answered 12/09/21
Tutor
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Mathematics Teacher - NCLB Highly Qualified
9 cos (2θ) = 6
cos 2θ = 2/3
2θ = 0.8410r
Kyle C.
asked 12/09/21Solve the trigonometric equation in the interval [0, 2𝜋). Give the exact value, if possible; otherwise, round your answer to two decimal places. (Enter your answers as a comma-separated list.)
9 cos(2𝜃) = 6
Mark M. answered 12/09/21
Mathematics Teacher - NCLB Highly Qualified
9 cos (2θ) = 6
cos 2θ = 2/3
2θ = 0.8410r
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