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)