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- 1. Multiple Choice
What is cos B?
a/b
a/c
b/c
c/a
- 2. Multiple Choice
What trig ratio would be used to solve for x?
Sine
Cosine
Tangent
- 3. Multiple Choice
How would you set up an equation for x?
sin 29 = 8/x
sin 29 = x/8
- 4. Multiple Choice
What is the length of x?
7.43
16.50
3.88
4.59
- 5. Multiple Choice
Look at the 20°. Think about which side you would label opposite, adjacent and hypotenuse.
a) What side is labeled 10? b) What side is labeled r?
adjacent, hypotenuse
hypotenuse, adjacent
opposite, hypotenuse
opposite, adjacent
- 6. Multiple Choice
To solve for the hypotenuse in the last problem, this is the equation that would be used. What is the value of r?
12.37
24.29
0.034
29.24
- 7. Multiple Choice
If you are given the angle and the adjacent side, what trig function is used to find the hypotenuse?
sine
cosine
inverse sine
inverse cosine
- 8. Multiple Choice
If you are given the opposite and hypotenuse lengths of a right triangle, what trig function is used to find the missing angle?
sine
cosine
inverse sine
inverse cosine
- 9. Multiple Choice
Which equation is used to solve for x?
x = cos (30/40)
x = inverse cos (30/40)
x = sin (30/40)
x = inverse sin (30/40)
- 10. Multiple Choice
Which equation is used to solve for x?
sin 18 = x/17
cos 18 = x/17
inverse sin 18 = x/17
inverse cos 18 = x/17
- 11. Multiple Choice
Solve for x.
55.01
5.25
17.87
16.17
- 12. Multiple Choice
Which equation is used to solve for x?
sin 46 = 8/x
cos 46 = 8/x
tan 46 = 8/x
- 13. Multiple Choice
Solve for x.
7.73
11.12
11.51
7.68
- 14. Multiple Choice
Which equation is used to solve for a?
a = cos (6750/8100)
a = sin (6750/8100)
a = inverse cos (6750/8100)
a = inverse sin (6750/8100)
- 15. Multiple Choice
Solve for a.
56.44
.47.68
33.56
35.99
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