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>> No.11648826 [View]
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11648826

Anyone know why I got this one wrong?
The bounds are 0<thetha<2pi and my thing fits...
To calculate for 2, I did the pythagorean theorm and to get the pi/3, I did the tan^-1 (root3). However, when I typed it into wolfram alpha, the polar coordinates were (2, -2pi/3) which I didn't understand how they got the -2pi/3 part.

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