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anonymous

  • one year ago

If cos theta = -5/13 and sin theta < 0, what is tan theta

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  1. anonymous
    • one year ago
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    edited

  2. LynFran
    • one year ago
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    ok we know that less than zero so|dw:1435548224722:dw|

  3. LynFran
    • one year ago
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    |dw:1435548431163:dw|

  4. anonymous
    • one year ago
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    answer choices a. 12/5 b.13/5 c. -12/5 d. sqrt 194/5

  5. LynFran
    • one year ago
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    |dw:1435548604239:dw|

  6. LynFran
    • one year ago
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    |dw:1435548682601:dw|

  7. LynFran
    • one year ago
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    the answer is 12/5

  8. triciaal
    • one year ago
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    |dw:1435545069823:dw|

  9. DecentNabeel
    • one year ago
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    option A is the correct. (-12/13)/(-5/13) =12/5

  10. anonymous
    • one year ago
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    thanks for the help

  11. LynFran
    • one year ago
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    ur welcome

  12. triciaal
    • one year ago
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    |dw:1435545236147:dw|

  13. triciaal
    • one year ago
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    |dw:1435545907482:dw|

  14. Mertsj
    • one year ago
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    1. cosine is negative means quadrants II or III 2. sin is negative means quadrants III or IV 3. Therefore must be quadrant III 4. tangent is positive in quadrant III 5. tangent is opposite/adjacent 5. tangent = 12/5

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