A circle with center at (0, 0) and radius 1 is called a unit circle. The equation of this circle would be (0,1) (-1,0) (1,0) (0,-1) So points on this circle must satisfy this equation.

Label the 4 principal angles that lie on the x and y axes of the unit circle in degrees. Label the special angles around the unit circle in degrees. Label the 4 principal angles that lie on the x and y axes in radians. Label each angle that is a multiple of 60˚ in radians Label each angle that is a multiple of 45 ˚ in radians Label the remaining special angles in radians. Write the coordinates (x, y) for the points on the unit circle that lie on the x and y axes. Write the coordinates (x, y) for all of the angles whose reference angles are 45˚ (π/4 radians). Write the coordinates (x, y) for all of the angles whose reference angles are 30˚ (π/6 radians). Write the coordinates (x, y) for all of the angles whose reference angles are 60˚ (π/3 radians).

Complete. Angle (rad) sin cos tan π/2 π 3π/2 Angle (rad) sin cos tan π/2 π 3π/2 Angle (rad) sin cos tan π/6 5π/6 7π/6 11π/6 Angle (rad) sin cos tan π/4 3π/4 5π/4 7π/4 Angle (rad) sin cos tan π/3 2π/3 4π/3 5π/3