The unit circle and radians
11th grade (Year 12 in England) · 16 questions · Common Core: HSF.TF.A.1, HSF.TF.A.2
Name
Date
Score/ 16
Question 1
Convert 120° to radians (in terms of π).
- A. 3π/2
- B. 2π/3
- C. π/4
- D. π/2
Question 2
Is sin 225° positive, zero or negative?
- A. Positive
- B. Zero
- C. Negative
Question 3
Convert 360° to radians (in terms of π).
- A. π/6
- B. 3π/4
- C. 2π
- D. π/4
Question 4
Is cos 270° positive, zero or negative?
- A. Positive
- B. Zero
- C. Negative
Question 5
Convert π/3 radians to degrees.
Answer
Question 6
Is cos 150° positive, zero or negative?
- A. Positive
- B. Zero
- C. Negative
Question 7
Convert 2π radians to degrees.
Answer
Question 8
Is sin 270° positive, zero or negative?
- A. Positive
- B. Zero
- C. Negative
Question 9
Convert 3π/4 radians to degrees.
Answer
Question 10
Is sin 330° positive, zero or negative?
- A. Positive
- B. Zero
- C. Negative
Question 11
Convert π/6 radians to degrees.
Answer
Question 12
Is sin 270° positive, zero or negative?
- A. Positive
- B. Zero
- C. Negative
Question 13
Convert 45° to radians (in terms of π).
- A. 3π/2
- B. 3π/4
- C. π/6
- D. π/4
Question 14
Is cos 120° positive, zero or negative?
- A. Positive
- B. Zero
- C. Negative
Question 15
Convert π/4 radians to degrees.
Answer
Question 16
Is cos 150° positive, zero or negative?
- A. Positive
- B. Zero
- C. Negative
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