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March 30, 2017

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Starting at point A, a ship sails 57 km on a bearing of 188°, then turns and sails 37 km on a
bearing of 330°. Find the distance of the ship from point A.

  • calculus - ,

    the best way I could think of is break the distances into horizontal (x) and vertical (x) components and use Pythagorean theorem to find the distance of the ship from point A.

    x= 57cos188 + 37cos330
    y= 57sin188 + 37sin330

    x^2 + y^2 = c^2
    find c.

  • calculus - ,

    C= -1293,9

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