anonymous one year ago convert the following into a rectangular equation

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1. anonymous

$\theta = 2\pi / 3$

2. dan815

|dw:1437600074583:dw|

3. dan815

|dw:1437600286235:dw|

4. dan815

|dw:1437600298847:dw|

5. dan815

giving just an angle is like giving the equation of a line

6. anonymous