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Girl_Ninja

  • 2 years ago

Polar coordinates of a point are given. Find the rectangular coordinates of the point. (2.1 ; 2pi/9) A. (-1.6, -1.3) B. (1.6, 1.3) C. (1.3, 1.6) D. (-1.3, -1.6)

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  1. bloodrain
    • 2 years ago
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    It is B. look on this website http://www.wolframalpha.com/input/?i=x%3D2.1 \cos%28\frac{2\pi}{9}%29%2Cy%3D2.1\sin%28\frac{2\pi}{9}%29

  2. Girl_Ninja
    • 2 years ago
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    OK THANKS ;-) @bloodrain

  3. bloodrain
    • 2 years ago
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    yw, any time :D

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