The Unit Circle

Question 1

Find the coordinates of the point (x, y) shown on the unit circle. x = ?

Revolt · Accepted Answer

Cannot be determined without the diagram

Question 2

The angles that share the same sine value as sin(45°) have terminal sides in quadrant IIIIIIV(none of the quadrants).

Revolt · Accepted Answer

II

Question 3

The angles that share the same tangent value as tan(45°) have terminal sides in quadrant IIIIIIV(none of the quadrants).

Revolt · Accepted Answer

III

Question 4

When theta = negative 210 degrees, phi = degrees.

Revolt · Accepted Answer

30

The Unit Circle Answers