Question

ox, oy are positive x-axis, positive y-axis respectively where O = (0, 0, 0). The d.cs of the line which bisects $\angle xoy$ are

• A. 1, 1, 0
• B. $\frac{1}{\sqrt{2}},\frac{1}{\sqrt{2}}$
• C. $\frac{1}{\sqrt{2}},0,\frac{1}{\sqrt{2}}$
• D. 0, 0, 1

Answer 1

Answer: (B)

$\cos 45^{\circ },\cos 45^{\circ },\cos 90^{\circ }$