jee-main 2007 Q117

jee-main · India Vectors 3D & Lines MCQ: Relationship Between Two Lines

If a line makes an angle of $\frac { \pi } { 4 }$ 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
(1) $\frac { \pi } { 6 }$
(2) $\frac { \pi } { 3 }$
(3) $\frac { \pi } { 4 }$
(4) $\frac { \pi } { 2 }$

If a line makes an angle of $\frac { \pi } { 4 }$ 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\\
(1) $\frac { \pi } { 6 }$\\
(2) $\frac { \pi } { 3 }$\\
(3) $\frac { \pi } { 4 }$\\
(4) $\frac { \pi } { 2 }$

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