Number Quest · Masters (16+)
Trig basics
Circle the right answer.
1.What is sin(30°)?
0√3/21/21
2.A right triangle has opposite 6, adjacent 8 and hypotenuse 10. What is tan θ?
4/34/53/43/5
3.What is cos(0°)?
01/21√3/2
4.What is sin(0°)?
1/210√3/2
5.What is cos(60°)?
√3/21/201
6.A right triangle has opposite 5, adjacent 12 and hypotenuse 13. What is tan θ?
12/135/135/1212/5
7.What is tan(0°)?
1√3/21/20
8.A right triangle has opposite 3, adjacent 4 and hypotenuse 5. What is tan θ?
3/54/54/33/4
9.What is tan(45°)?
√3undefined10
10.A right triangle has opposite 5, adjacent 12 and hypotenuse 13. What is cos θ?
5/135/1212/1312/5
11.What is sin(90°)?
0√3/211/2
12.A right triangle has opposite 8, adjacent 15 and hypotenuse 17. What is cos θ?
15/178/1515/88/17
13.What is cos(90°)?
1/2√3/210
14.A right triangle has opposite 8, adjacent 15 and hypotenuse 17. What is tan θ?
15/1715/88/158/17
15.A right triangle has opposite 8, adjacent 15 and hypotenuse 17. What is sin θ?
8/1515/178/1715/8
16.A right triangle has opposite 3, adjacent 4 and hypotenuse 5. What is cos θ?
3/44/53/54/3
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Answers · Trig basics
- 1. 1/2
- 2. 3/4
- 3. 1
- 4. 0
- 5. 1/2
- 6. 5/12
- 7. 0
- 8. 3/4
- 9. 1
- 10. 12/13
- 11. 1
- 12. 15/17
- 13. 0
- 14. 8/15
- 15. 8/17
- 16. 4/5