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March 27, 2017

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Find the rectangular coordinates of (7, 30°)

  • Math - ,

    x=7cos(30), y=7sin(30)

  • Math - ,

    to convert,
    x = rcosØ, and y = rsinØ
    so the point is
    (7cos30°, 7sin30°)
    = (7√3/2, 7/2

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