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anonymous

  • 5 years ago

i need help on a problem asking for the angle of elevation.. can anyone help?

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  1. amistre64
    • 5 years ago
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    if we knew more details, maybe

  2. anonymous
    • 5 years ago
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    |dw:1327362215523:dw|

  3. anonymous
    • 5 years ago
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    sorry for it looking crappy

  4. amistre64
    • 5 years ago
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    |dw:1327362318643:dw|

  5. amistre64
    • 5 years ago
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    looking for "a" right?

  6. anonymous
    • 5 years ago
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    is that the angle of elevation??

  7. amistre64
    • 5 years ago
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    yes, elevation goes up; and the other one that I cant think of the name goes down

  8. anonymous
    • 5 years ago
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    ok then yes. i am looking for angle a

  9. amistre64
    • 5 years ago
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    |dw:1327362394037:dw|

  10. amistre64
    • 5 years ago
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    or something like that

  11. amistre64
    • 5 years ago
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    sin(a) = 6.9/7.4 a = arcsin(6.9/7.4)

  12. anonymous
    • 5 years ago
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    can i ask why u use those numbers and sin?

  13. amistre64
    • 5 years ago
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    well, sin was just the first thing I thought of to use; and of the other trig functions would have worked just as wellwith the right numbers

  14. amistre64
    • 5 years ago
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    sin is defined as the side over from the angle divided byt he hypotenuse of the rt tri

  15. amistre64
    • 5 years ago
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    just so happens to be 6.9/7.4 on this problem

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