Is Ther Anyone That Is Really Smart In Trigonometry I Need Help Asap

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- Jun 8th 2008, 01:53 PMmissjkyTrigonometry
Is Ther Anyone That Is Really Smart In Trigonometry I Need Help Asap

- Jun 8th 2008, 01:54 PMJonboy
you're at the right place. what is the problem?

- Jun 8th 2008, 02:07 PMmissjky
- Jun 8th 2008, 02:09 PMmissjky

Find the supplement of the radian measure 7 π /8. Express your answer in terms of π .

a. 13 π /8

b. π /8

c. 9 π /8

d. 5 π /8

Find the value of sec 38 ° to 4 decimal places.

a. 1.6243

b. 0.7880

c. 0.6157

d. 1.2690

Find the value of tan 42 ° to 4 decimal places.

a. 2.2914

b. 0.9004

c. 1.1106

d. 0.7431

Find the exact value of sin 30 ° - sin 45 ° cos 45 ° .

a. 0

b. 1/2

c. 1

d. 2

Find the exact value of cos http://ce.byu.edu/courses/hs/9990640.../TRIG41-52.gif.

a. http://ce.byu.edu/courses/hs/9990640.../TRIG41-53.bmp

b. http://ce.byu.edu/courses/hs/9990640.../TRIG41-54.bmp

c. http://ce.byu.edu/courses/hs/9990640.../TRIG41-55.bmp

d. 2

If θ is an acute angle in standard position and cot θ = 12/5, find sin θ .

a. 12/13

b. 5/13

c. 13/12

d. 13/5 - Jun 8th 2008, 02:15 PMmissjky
[quote=missjky;155287]

Basically i need help on all these problems

1. Find the complement of a 51 ° 49' angle.

a. 38 ° 11'

b. 128 ° 11'

c. 38 ° 51'

d. 128 ° 51'

2. Find the supplement of the radian measure 7 π /8. Express your answer in terms of π .

a. 13 π /8

b. π /8

c. 9 π /8

d. 5 π /8

3. Classify 725 ° by quadrant, and state the positive angle with measure less than 360 ° that is coterminal with it.

a. Quadrant II, 95 °

b. Quadrant I, 5 °

c. Quadrant IV, 275 °

d. Quadrant III, 185 °

4. Convert 105 ° to exact radian measure.

a. 6 π /7

b. 12 π /7

c. 7 π /6

d. 7 π /12

5. Convert the radian measure 7 π /5 to exact degree measure.

a. 128.5 °

b. 252 °

c. 504 °

d. 126 °

6. Convert the radian measure 1.6 to degree measure to the nearest hundredth of a degree.

a. 91.67 °

b. 288 °

c. 183.35 °

d. 97.40 °

7. Find the measure in radians of the central angle of a circle with radius 4 inches and arc length 8 inches.

a. 32

b. 0.5

c. 2

d. 2 π

8. Find the length of an arc that subtends a central angle of 150 ° in a circle of radius 5 centimeters.

a. 25 π /6 centimeters

b. 750 centimeters

c. 30 centimeters

d. π /6 centimeters

9. Find the values of the six trigonometric functions of the acute angle in standard position with the terminal side passing through the point P(8, 6).

a. sin θ = 3/5; cos θ = 4/5; tan θ = 4/3; csc θ = 5/3; sec θ = 5/4; cot θ = 3/4

b. sin θ = 4/5; cos θ = 3/5; tan θ = 4/3; csc θ = 5/4; sec θ = 5/3; cot θ = 3/4

c. sin θ = 3/5; cos θ = 4/5; tan θ = 3/4; csc θ = 5/3; sec θ = 5/4; cot θ = 4/3

d. sin θ = 4/5; cos θ = 3/5; tan θ = 3/4; csc θ = 5/4; sec θ = 5/3; cot θ = 4/3

10. If θ is an acute angle in standard position and cos θ = 4/5, find sin θ .

a. 4/3

b. 5/4

c. 5/3

d. 3/5

11. If θ is an acute angle in standard position and cot θ = 12/5, find sin θ .

a. 12/13

b. 5/13

c. 13/12

d. 13/5

12. Find the exact value of cos http://ce.byu.edu/courses/hs/9990640.../TRIG41-52.gif.

a. http://ce.byu.edu/courses/hs/9990640.../TRIG41-53.bmp

b. http://ce.byu.edu/courses/hs/9990640.../TRIG41-54.bmp

c. http://ce.byu.edu/courses/hs/9990640.../TRIG41-55.bmp

d. 2

13. Find the exact value of sin 30 ° - sin 45 ° cos 45 ° .

a. 0

b. 1/2

c. 1

d. 2

14. Find the value of tan 42 ° to 4 decimal places.

a. 2.2914

b. 0.9004

c. 1.1106

d. 0.7431

15. Find the value of sec 38 ° to 4 decimal places.

a. 1.6243

b. 0.7880

c. 0.6157

d. 1.2690 - Jun 8th 2008, 02:22 PMwingless
Sorry, we are not doing peoples homework for them here. Please work out on your own and ask only if you are stuck. And when you ask a question, show us your work so we can help you.

- Jun 8th 2008, 02:29 PMmissjky
- Jun 8th 2008, 02:30 PMmissjky
[quote=missjky;155290][quote=missjky;155287]

do you no how to do any of the problems cuz i now how to do sum and sum i dnt no how to do