SOLUTION: Kindly help: The point (–0.4650, y) lies on a unit circle and is located in QIII. Find the value of y to four decimal places. Thank you.

Algebra ->  Trigonometry-basics -> SOLUTION: Kindly help: The point (–0.4650, y) lies on a unit circle and is located in QIII. Find the value of y to four decimal places. Thank you.      Log On

 = 1,


which gives


y =  = -0.885.


The sign is "-" (minus), since the action takes place in QIII.