Back to the lesson and practice

PrintablePractice worksheet Riddle puzzle Flashcards Bingo game

Do it🖨️ On paper ✏️ On screen

Layout1 column 2 columns

Answer keyNone Answers With steps

Questions10 16 24 30

LevelEasier Mixed Harder

Print sizeNormal Large print

New copyMake a new one

Free to print and copy for home or class. This link always prints the same sheet.

eurekami

Use reference angles for angles beyond 90°

11th grade (Year 12 in England) · 16 questions · Common Core: HSF.TF.A.2 · England: A-level Pure Mathematics

Name

Date

Score/ 16

1
Question 1
Find the exact value of sin 135°.
- A. −√3/2
- B. √2/2
- C. 1/2
- D. √3/2
Question 2
What is the reference angle for 329°?
Answer
3
Question 3
Find the exact value of sin 225°.
- A. −√3/2
- B. √3/2
- C. √2/2
- D. −√2/2
Question 4
What is the reference angle for 206°?
Answer
5
Question 5
Find the exact value of sin 300°.
- A. √2/2
- B. −√3/2
- C. −√2/2
- D. 1/2
Question 6
What is the reference angle for 262°?
Answer
7
Question 7
Find the exact value of cos 150°.
- A. −√2/2
- B. 1/2
- C. −√3/2
- D. √3/2
Question 8
What is the reference angle for 261°?
Answer
9
Question 9
Find the exact value of cos 330°.
- A. −√2/2
- B. −√3/2
- C. √3/2
- D. −1/2
Question 10
What is the reference angle for 168°?
Answer
11
Question 11
Find the exact value of cos 300°.
- A. 1/2
- B. −1/2
- C. √2/2
- D. −√3/2
Question 12
What is the reference angle for 357°?
Answer
13
Question 13
Find the exact value of sin 315°.
- A. −√2/2
- B. √3/2
- C. √2/2
- D. −1/2
Question 14
What is the reference angle for 322°?
Answer
15
Question 15
Find the exact value of cos 330°.
- A. √3/2
- B. 1/2
- C. −√2/2
- D. −√3/2
Question 16
What is the reference angle for 169°?
Answer

All done? Color in the animal! · Free from eurekami.com/math

for the adult only

Answer key: Use reference angles for angles beyond 90°

1. B. √2/2
2. 31
3. D. −√2/2
4. 26
5. B. −√3/2
6. 82
7. C. −√3/2
8. 81
9. C. √3/2
10. 12
11. A. 1/2
12. 3
13. A. −√2/2
14. 38
15. A. √3/2
16. 11