A straight line passes through the point (1, 1, 1) makes an angle 60° – McqOptions

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1.	A straight line passes through the point (1, 1, 1) makes an angle 60° with the positive direction of z-axis, and the cosine of the angles made by it with the positive directions of the y-axis and the x-axis are in the ratio √3 : 1. What is the acute angle between the two possible positions of the line?
A.	90°
B.	60°
C.	45°
D.	30°
Answer» C. 45°

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