Carol, Ann, and Liz each bought a toy fish. Carol's fish is 5 inches longer than Ann's fish. Liz's fish is 9 inches longer than
twice the length of Ann's fish. Ann's fish is 12 inches long. Find the length of each toy fish. The length of Ann's toy fish is inches, the length of Carol's toy fish is inches, and the length of Liz's toy fish is inches.
Determine whether cos is positive or negative by looking at which quadrant the angle is in. pi < theta < 3pi/2 ---> this is 3rd quadrant where x or cos is negative