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Math Help - Trigonometry

  1. #1
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    Trigonometry

    How do you find which quadrant on the unit circle this is in?-5√3)/2 + (5/2) i
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  2. #2
    Super Member
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    The given complex number is in the form

    Z = A(cosθ + i*sinθ)
    Compare this with the given problem an fin A , cosθ and sinθ. Find θ
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