Expert: Richard J. Raridon - 6/12/2009

Question
1. Choose the correct function value for: cot 81.1°  

2. Choose the correct function value for: csc 23° 20'  

3. Choose the correct function value for: sin 26.57°   

4. Choose the correct function value for: sin 87° 53'  

5. Choose the correct function value for: cos 328.1°  

6. Choose the correct function value for: sin 312° 40'  -

7. Choose the measure of the acute angle θ, where:
cos θ = 0.8400  


8. Choose the measure of the acute angle θ, where:
tan θ = 1.325

9. Choose the measure of the acute angle θ, where:
csc θ = 3.000

10. Choose the measure of the acute angle θ, where:
sin θ = 0.2654

11. Choose the measure of the acute angle θ, where:
cos θ = 0.2715

12. Choose the measure of the acute angle θ, where:
tan θ = 2.550

13. Find the measure of two angles between 0° and 360° with the function value:
cos θ = 0.7851


14. Find the measure of the angles between 0° and 360° with the function value:
sin θ = -0.8300  


15. Find the measure of two angles between 0° and 360° with the function value:
tan θ = 0.6182

16. Find the measure of an angle between 0° and 360° that satisfies the condition:
sin θ = -0.5212, 90° < θ < 270°

Answer
If you had a calculator, you could have answered all of these a lot quicker than typing all of them in.
1. 0.1566
2. 2.525
3. 0.4473
4. 0.9993
5. 0.8490
6. -0.7353
7. 32.86
8. 52.96
9. 19.47
10. 15.39
11. 74.25
12. 68.59
13. 38.27, 321.73
14. 236.10, 303.90
15. 31.72, 211.72
16. 211.41