Mastering the Unit Circle

What are the coordinates of the point at 0 degrees on the unit circle?

• (-1, 0)

• (1, 0)

• (0, 1)

• (0, -1)

Convert 90 degrees to radians.

• π

• π/4

• π/2

• 3π/2

What are the coordinates of the point at 180 degrees on the unit circle?

• (0, 1)

• (-1, 0)

• (1, 0)

• (0, -1)

Convert 270 degrees to radians.

• 3π/2

• 90 degrees

• 180 degrees

• 360 degrees

What are the coordinates of the point at 30 degrees on the unit circle?

• (√2/2, √2/2)

• (1/2, √3/2)

• (√3/2, 1/2)

• (0, 1)

Convert 45 degrees to radians.

• π/4

• π/3

• π/2

• π/6

Convert 360 degrees to radians.

• 180 degrees

• π/2

• 2π

• 3π/2

What are the coordinates of the point at 210 degrees on the unit circle?

• (-1/2, 1/2)

• (1/2, -√3/2)

• (√3/2, 1/2)

• (-√3/2, -1/2)

Convert 150 degrees to radians.

• 3π/4

• 5π/6

• 2π/3

• 7π/6

What are the coordinates of the point at 300 degrees on the unit circle?

• (1/2, -√3/2)

• (√2/2, √2/2)

• (0, 1)

• (-1/2, √3/2)