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Question

Mathematics Question on Three Dimensional Geometry

What is the angle between the two lines whose direction numbers are (3−1,−3−1,4)(\sqrt{3} - 1 , - \sqrt{3} - 1 , 4) and (−3−1,3−1,4)( - \sqrt{3} - 1 ,\sqrt{3} - 1 , 4) ?

A

π6\frac{\pi}{6}

B

π4\frac{\pi}{4}

C

π3\frac{\pi}{3}

D

π2\frac{\pi}{2}

Answer

π3\frac{\pi}{3}

Explanation

Solution

Answer (c) π3\frac{\pi}{3}