SOLUTION: The point (x,-0.6) lies on the unit circle in the quadrant 4. The value of x, to the nearest tenth, is _____

Algebra ->  Trigonometry-basics -> SOLUTION: The point (x,-0.6) lies on the unit circle in the quadrant 4. The value of x, to the nearest tenth, is _____      Log On


   

Question 1181607: The point (x,-0.6) lies on the unit circle in the quadrant 4. The value of x, to the nearest tenth, is _____
Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


The point is on the unit circle, so

x%5E2%2By%5E2=1

x%5E2%2B%280.6%29%5E2=1

Easy calculation....Do it.

x is positive in quadrant IV, so use the positive solution to the equation.