Asked by Bob
                Determine the numbers a, b, and c, such that the vector (a, b, c) is a unit vector with directional angles of 60.3o, 34.0o, and 105o.
            
            
        Answers
                    Answered by
            Reiny
            
    so the vector can be written as (cos60°, cos34°, cos105°)
checking: cos^2 60 + cos^2 34 + cos^2 105 = 1.0042.. , close enough to 1
(a,b,c) = (1/2, .829, -.2588)
 
    
checking: cos^2 60 + cos^2 34 + cos^2 105 = 1.0042.. , close enough to 1
(a,b,c) = (1/2, .829, -.2588)
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