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Trigonometric Quiz
Quiz Answers
1 How do you find the inverse of sin in your calculator?
- sin-1
- alpha, sin-1
- 2nd key, sin1
- 2nd key, sin-1
2. How do you find the inverse of tangent in your calculator?
- 2nd key, tan1
- tan-1
- 2nd key, tan-1
3. How do you find the inverse of cosine in your calculator?
- 2nd key, cos1
- cos-1
- alpha, cos-1
- 2nd key, cos-1
4. Value of , for = 1 Where 0° < < 90° is:
- 30
- 60
- 45
- 135
5. Value of sec2 26° – cot2 64° is:
- 0
- 1
- -1
- 2
6. Product tan 1° tan 2° tan 3°………….. tan 89° is:
- 1
- 0
- -1
- 90
7. Find t to the nearest degree using sin
- 40
- 41
- 30
- 31
8. Find a to the nearest degree using cosin a
- 55
- 56
- 58
- 65
9. If sin (A + B) = 1 = cos (A – B) then
- A=B=90
- A=B=45
- A=B=0
10. What is the inverse cosine?
- cos-1
- cos-2
- cos1
11. The value of 5 cos 0^0 + sin 90^0 is:
- 5
- 6
- 7
- 8
12. What is the inverse sin?
- cos-1
- sin-1
- sin1
13. How does the value of cos x varies when x increases from 0^0 to 90^0:
- Decreases
- Increases
- Increases and then decreases
14. What is the inverse tangent?
- tan1
- sin-1
- tan-1
15. Find the length of H. Round to the nearest tenth
- 14.6
- 15.2
- 14.4
- 14.8
16. Find the value of sin^2 54^0 – cos^2 36^0
- -1
- 1
- 0
17. Find Y. Round to the nearest tenth
- 15.9
- 13.2
- 7.4
- 12.5
18. Cos 45^0 + tan 45^0 – sin 45^0 is:
- 1
- -1
- 2
- -2
19. Find x. Round to the nearest tenth.
- 14.6
- 13.3
- 10.0
20. Sin =?
- Hypotenuse / Opposite
- Opposite / Hypotenuse
- Hypotenuse / Adjacent
21. Tangent = ?
- Opposite / Adjacent
- Adjacent / Hypotenuse
- Opposite / Adjacent
22. Find K. Round to the nearest tenth.
- 45.9
- 43.8
- 74.8
