3. Trigonometry
Unit Circle — Quiz
Test your understanding of unit circle with 5 practice questions.
Practice Questions
Question 1
What is the radius of the unit circle?
Question 2
What are the coordinates of the point on the unit circle corresponding to an angle of $0$ radians?
Question 3
Convert $90$ degrees to radians.
Question 4
What is the reference angle for $150$ degrees?
Question 5
Which of the following is equivalent to $2\pi$ radians?
