SOLUTION: Show that the point on the unit circle (4/5,-3/5) That is all the book gives for the question. I hope that this is enough. I'm really confused please help.

Algebra ->  Trigonometry-basics -> SOLUTION: Show that the point on the unit circle (4/5,-3/5) That is all the book gives for the question. I hope that this is enough. I'm really confused please help.      Log On


   



Question 849266: Show that the point on the unit circle
(4/5,-3/5)
That is all the book gives for the question. I hope that this is enough. I'm really confused please help.

Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Is the point on the unit circle? How far from the origin is the point? Try the distance formula. Do you find distance is 1 unit?

Alternatively, you KNOW the equation for the unit circle is x%5E2%2By%5E2=1. Does the given point satisfy this?