SOLUTION: When plotted on the rectangular coordinate system, in which quadrant would the point be located for this polar coordinate? (-3, 3pi/4)

Algebra ->  Trigonometry-basics -> SOLUTION: When plotted on the rectangular coordinate system, in which quadrant would the point be located for this polar coordinate? (-3, 3pi/4)      Log On


   

Question 403678: When plotted on the rectangular coordinate system, in which quadrant would the point be located for this polar coordinate?
(-3, 3pi/4)
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
(3, %283pi%29%2F4) is located in the 2nd quadrant, and so (-3, %283pi%29%2F4) is in the 4th quadrant. The reference angle is %28pi%29%2F4 radians, and so y = -x.
Thus the point is (3%2Fsqrt%282%29, -3%2Fsqrt%282%29).