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anonymous

  • 5 years ago

From city A to city B, a plane flies 650 miles at a bearing of 48 degrees. From city B to C, thr plane fles 810 miles bearing of 115 degrees. Find the distance from city A to C and the bearing from city A to city C.

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  1. anonymous
    • 5 years ago
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    use the law of cosine

  2. anonymous
    • 5 years ago
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    c^2 = a^2 + b^2 + 2 * a * b * cos(theta) where theta is the angle between a and b

  3. anonymous
    • 5 years ago
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    i cant use that for the test i have to draw a triangle

  4. anonymous
    • 5 years ago
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    the law of cosine involves the triangle

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