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razor99

  • one year ago

A man watches a bird fly which is at a vertical height of 800km from the ground.If The angle of elevation is 60 Degree,find the actual distance between the man and the bird

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  1. razor99
    • one year ago
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    |dw:1372390116319:dw|

  2. swissgirl
    • one year ago
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    |dw:1372390648071:dw|

  3. razor99
    • one year ago
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    k?

  4. swissgirl
    • one year ago
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    so we need to find out what x equals

  5. swissgirl
    • one year ago
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    Now are you aware of SOHCAHTOA?

  6. razor99
    • one year ago
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    yea

  7. razor99
    • one year ago
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    i know SOHCAHTOA :P

  8. swissgirl
    • one year ago
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    Okkk so which one would you use if you need to find out what x is?

  9. razor99
    • one year ago
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    lol idk hahahhaa

  10. razor99
    • one year ago
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    Hypontneus right

  11. swissgirl
    • one year ago
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    |dw:1372390973829:dw|

  12. swissgirl
    • one year ago
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    Ok so whats opposite our angle 60 degrees?

  13. razor99
    • one year ago
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    hypotnuse

  14. swissgirl
    • one year ago
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    Nope I labeled the hypotnuse

  15. swissgirl
    • one year ago
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    if you see 800 is directly across the 60 degree angle

  16. razor99
    • one year ago
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    yea :D

  17. razor99
    • one year ago
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    so in here we should find the distance right

  18. swissgirl
    • one year ago
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    Ok here is the answer tan(60)=800/x

  19. swissgirl
    • one year ago
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    so x=800/tan(60)

  20. razor99
    • one year ago
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    13.3

  21. razor99
    • one year ago
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    is it correct

  22. swissgirl
    • one year ago
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    Nope

  23. swissgirl
    • one year ago
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    x=461.88

  24. razor99
    • one year ago
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    oh we should dvid by including tan right

  25. swissgirl
    • one year ago
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    ya so its \(x=\large \frac{800}{\tan(60)}\)

  26. razor99
    • one year ago
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    oh okay so thats the final answer right

  27. swissgirl
    • one year ago
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    yup:)

  28. razor99
    • one year ago
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    thank u swiisy

  29. swissgirl
    • one year ago
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    np :)

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