Posted by **joe** on Friday, May 20, 2011 at 4:10pm.

convert the point to polar coordinates: (12,-12)

- pre cal -
**drwls**, Friday, May 20, 2011 at 11:31pm
x = 12

y = -12

r = sqrt(x^2 + y^2)

theta = arctan y/x = arctan -1,

and is in the fourth quadrant. That would make it -45 degrees or, if you prefer, 315 degrees.

## Answer this Question

## Related Questions

- pre cal - convert the point to rectangular coordinates (7,1.75)
- pre cal - convert the point to rectangular coordinates (5,5pi/6)
- pre calc.Math - Please help me any one of these please! Thank You to any one r=...
- Maths - Polar Coordinate Systems - I've recieved an assignment to investigate ...
- Pre-Calc - Can anyone direct me to learn more about polar coordinates. I'm in ...
- trig - convert the point with polar coordinates (2,7pi/6) into rectangular ...
- pre-calc help - Convert the rectangular coordinates to polar coordinates with r...
- pre-calc help - Convert the rectangular coordinates to polar coordinates with r...
- Pre-Calculus - Find the rectangular coordinates of the point with the given ...
- Pre-Calculus - Find the polar coordinates of each point with the given ...