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kamuela710

Describe the vector as an ordered pair. Round the coordinates to the nearest tenth. https://www.connexus.com/content/media/456845-2232011-22334-PM-418163281.png

  • 2 years ago
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  1. baddinlol
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    You can use Trigonometry.

    • 2 years ago
  2. baddinlol
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    cos(103) = vertical/5

    • 2 years ago
  3. baddinlol
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    Vertical component = cos(103)*5

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  4. baddinlol
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    For horizontal component,

    • 2 years ago
  5. baddinlol
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    cos(193) = horizontal component/5

    • 2 years ago
  6. baddinlol
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    horizontal component = cos(193)*5

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  7. baddinlol
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    So you get, -4.87i -1.12j

    • 2 years ago
  8. baddinlol
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    Co-ordinate = (-4.9, -1.1)

    • 2 years ago
  9. baddinlol
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    so basically , cos a = a1/|a| where a is the angle measure anticlockwise from the positive y.

    • 2 years ago
  10. baddinlol
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    cos b = b1/|b| where b is the measure anticlockwise from positive x

    • 2 years ago
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