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Question

Mathematics Question on Angle between a Line and a Plane

The angle between a normal to the plane 2x-y+2z-1=0 and the X-axis is

A

cos−123cos^{-1}\frac{2}{3}

B

cos−115cos^{-1}\frac{1}{5}

C

cos−134cos^{-1}\frac{3}{4}

D

cos−113cos^{-1}\frac{1}{3}

Answer

cos−123cos^{-1}\frac{2}{3}

Explanation

Solution

The correct answer is option (A) : cos−123cos^{-1}\frac{2}{3}