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March 28, 2017

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√3 + 5cos⦸ = 3 cos⦸

Can someone please explain for me how to express the answer in radian measure?

Thanks

  • Trigonometry - ,

    √3 + 5cosθ = 3cosθ
    2cosθ = -√3
    cosθ = -√3/2

    θ = 5π/6 or 7π/6

  • Trigonometry - ,

    thank you steve!!

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