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March 25, 2017

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The rectangular coordinates of a point are given. Find two sets of polar coordinates for the point.

(-3,-3)

  • Math - ,

    tanØ = y/x = -3/-3 = 1
    Ø = π/4

    x = rcosØ = (1/√2)r
    -3 = (1/√2)r
    r = -3√2

    one is (-3√2,π/4)

    I will let you find the other

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