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Math Help - Trigonometry

  1. #1
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    Trigonometry

    Is Ther Anyone That Is Really Smart In Trigonometry I Need Help Asap
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  2. #2
    Member Jonboy's Avatar
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    you're at the right place. what is the problem?
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  3. #3
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    Quote Originally Posted by Jonboy View Post
    you're at the right place. what is the problem?
    Find the complement of a 51 49' angle.
    a. 38 11'
    b. 128 11'
    c. 38 51'
    d. 128 51'
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  4. #4
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    Quote Originally Posted by missjky View Post
    Find the complement of a 51 49' angle.
    a. 38 11'
    b. 128 11'
    c. 38 51'
    d. 128 51'

    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 .
    a.
    b.
    c.
    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
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  5. #5
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    [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 .
    a.
    b.
    c.
    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
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  6. #6
    Super Member wingless's Avatar
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    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.
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  7. #7
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    Quote Originally Posted by wingless View Post
    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.
    this is not my homeworkm these are problems im having trouble with sum i no how to do and sum i dnt and i cant show my work over the computer
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  8. #8
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    [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
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