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pablobegins

  • 4 years ago

From an h = 68 feet observation tower on the coast, a Coast Guard officer sights a boat in difficulty. The angle of depression of the boat is θ = 1 ◦ .

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  1. pablobegins
    • 4 years ago
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    |dw:1318804517622:dw|

  2. pablobegins
    • 4 years ago
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    How far (in feet) is the boat from the shoreline? assume that the boat is starting from the little circle in the bottom right corner

  3. LagrangeSon678
    • 4 years ago
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    basically how far is the boat from the base of the shore: tan(1) = d/68 68 * tan(1) = d solve this to get distance = d

  4. pablobegins
    • 4 years ago
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    so the answer is?

  5. pablobegins
    • 4 years ago
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    I got 57.28996, is that right? what am I doing wrong?

  6. LagrangeSon678
    • 4 years ago
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    i believe that is right

  7. pablobegins
    • 4 years ago
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    it was wrong in my online hw

  8. pablobegins
    • 4 years ago
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    is that in ft though?

  9. LagrangeSon678
    • 4 years ago
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    maybe you are suppose to round or something

  10. LagrangeSon678
    • 4 years ago
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    or try (68)/(tan(1))

  11. pablobegins
    • 4 years ago
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    that worked, thank you

  12. LagrangeSon678
    • 4 years ago
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    anytime my friend

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