Trigonometry Quizzes

1 How do you find the inverse of sin in your calculator?

• sin-1

• alpha, sin-1

• 2nd key, sin1

• 2nd key, sin-1(CORRECT ANSWER)

2. How do you find the inverse of tangent in your calculator?

• 2nd key, tan1

• tan-1

• 2nd key, tan-1(CORRECT ANSWER)

3. How do you find the inverse of cosine in your calculator?

• 2nd key, cos1

• cos-1

• alpha, cos-1

• 2nd key, cos-1(CORRECT ANSWER)

4. Value of , for = 1 Where 0° < < 90° is:

• 30

• 60

• 45(CORRECT ANSWER)

• 135

5. Value of sec2 26° – cot2 64° is:

• 0

• 1(CORRECT ANSWER)

• -1

• 2

6. Product tan 1° tan 2° tan 3°………….. tan 89° is:

• 1(CORRECT ANSWER)

• 0

• -1

• 90

7. Find t to the nearest degree using sin

• 40

• 41

• 30

• 31(CORRECT ANSWER)

8. Find a to the nearest degree using cosin a

• 55

• 56(CORRECT ANSWER)

• 58

• 65

9. If sin (A + B) = 1 = cos (A – B) then

• A=B=90

• A=B=45(CORRECT ANSWER)

• A=B=0

10. What is the inverse cosine?

• cos-1(CORRECT ANSWER)

• cos-2

• cos1

11. The value of 5 cos 0^0 + sin 90^0 is:

• 5

• 6(CORRECT ANSWER)

• 7

• 8

12. What is the inverse sin?

• cos-1

• sin-1(CORRECT ANSWER)

• sin1

13. How does the value of cos x varies when x increases from 0^0 to 90^0:

• Decreases(CORRECT ANSWER)

• Increases

• Increases and then decreases

14. What is the inverse tangent?

• tan1

• sin-1

• tan-1(CORRECT ANSWER)

15. Find the length of H. Round to the nearest tenth

• 14.6

• 15.2

• 14.4(CORRECT ANSWER)

• 14.8

16. Find the value of sin^2 54^0 – cos^2 36^0

• -1

• 1

• 0(CORRECT ANSWER)

17. Find Y. Round to the nearest tenth

• 15.9

• 13.2

• 7.4

• 12.5(CORRECT ANSWER)

18. Cos 45^0 + tan 45^0 – sin 45^0 is:

• 1(CORRECT ANSWER)

• -1

• 2

• -2

19. Find x. Round to the nearest tenth.

• 14.6

• 13.3

• 10.0(CORRECT ANSWER)

20. Sin =?

• Hypotenuse / Opposite

• Opposite / Hypotenuse(CORRECT ANSWER)

• Hypotenuse / Adjacent

21. Tangent = ?

• Opposite / Adjacent

• Adjacent / Hypotenuse

• Opposite / Adjacent(CORRECT ANSWER)

22. Find K. Round to the nearest tenth.

• 45.9

• 43.8

• 74.8 (CORRECT ANSWER)