are these right !
Yes they are correct. I've never seen them written on a unit circle backward before but they are right.
All looks good to me.
Remember. If you take any point on the unit circle, cos will be the x value and sin will be the y value
It is easy to see why this is true because the hypotenuse is one.
what about the coordinates in the second graph !
the place which I put in question mark ?
+118609 
