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  • 4 years ago

If the polar coordinates of the point ( x , y ) are ( r , θ ), determine the polar coordinates for the following points. (Use any variable or symbol stated above as necessary.) a) -x,y b)-2x,-2y c)3x,-3y I don't understand what they are asking for because i tried the r=sqrt(x^2+y^2) and that theta = tan^-1(y/x) and it was wrong.

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  1. anonymous
    • 4 years ago
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    simple for part a, the coordinate is just r for part b, the coordinate is just 2r for part c, the coordinate is just 3r and the angle for them we check whether it's counterclockwise or not so it can be as \[\theta \] + 180 and so on

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