SOLUTION: Find the missing coordinate of P, using the fact that P lies on the unit circle in the given quadrant. P(?,-2/7) Quadrant 4 ^^^^^^^^^^^^^^^^^^^^^ How do you find the ? usi

Algebra ->  Trigonometry-basics -> SOLUTION: Find the missing coordinate of P, using the fact that P lies on the unit circle in the given quadrant. P(?,-2/7) Quadrant 4 ^^^^^^^^^^^^^^^^^^^^^ How do you find the ? usi      Log On


   

Question 1161363: Find the missing coordinate of P, using the fact that P lies on the unit circle in the given quadrant.
P(?,-2/7) Quadrant 4
^^^^^^^^^^^^^^^^^^^^^
How do you find the ? using x2+y2=r2 formula?
Answer by ikleyn(52817) About Me  (Show Source):
You can put this solution on YOUR website!
.

Yes, correct.

Use the formula which you wrote in the post.

In your case, r = 1.

Go boldly forward ---- you have right idea (!)