Question

The point (0.83265, 0.55380) lies on the unit circle. If a terminal arm is drawn through this point, what is the sine ratio of the angle?

Answer 1

@satellite73 Actually, that's the tangent.

The sin is opposite over hypotenuse. Since it's on the unit circle, the hypotenuse is 1, so the sin is the y coordinate or 0.55380

Answer 2

since it is a unit circle the y component of the point will be its sine ratio, .55380

Answer 3

ho ho ho so it is!

Answer 4

second coordinate is sine, first is cosine, tangent is second over first. my apologies

Answer 5

ahaha okay, thanks you guys