JEE Math Practice Question
If a line makes an angle of $$\pi /4$$ with the positive directions of each of $$x$$-axis and $$y$$-axis, then the angle that the line makes with the positive direction of the $$z$$-axis is :
- A.$${\pi \over 4}$$
- B.$${\pi \over 2}$$
- C.$${\pi \over 6}$$
- D.$${\pi \over 3}$$
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