SOLUTION: A particular CD has a total diameter of 120 mm, with a hole on the inside of 20 mm. The center of the disc is at the origin. What are the coordinates of the points at which the inn

Algebra ->  Trigonometry-basics -> SOLUTION: A particular CD has a total diameter of 120 mm, with a hole on the inside of 20 mm. The center of the disc is at the origin. What are the coordinates of the points at which the inn      Log On


   

Question 884551: A particular CD has a total diameter of 120 mm, with a hole on the inside of 20 mm. The center of the disc is at the origin. What are the coordinates of the points at which the inner and the outer edges cut a line of angle t with the positive x axis
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Divide the diameters by 2 to get the radii.
(10cos%28t%29,10sin%28t%29) and (60cos%28t%29,60sin%28t%29)