If a line makes an angle of 60°, 150°, 45° with the positive x, y, z-axis respectively, find its direction cosines.

Question

TuteeHUB · Accepted Answer

NA

TuteeHUB · Answer

–$\frac{1}{2},-\frac{\sqrt{3}}{2},\frac{1}{\sqrt{2}}$

TuteeHUB · Answer

–$\frac{1}{2},-\frac{\sqrt{3}}{2},-\frac{1}{\sqrt{2}}$

TuteeHUB · Answer

$\frac{1}{2},-\frac{\sqrt{3}}{2},\frac{1}{\sqrt{2}}$

TuteeHUB · Answer

$\frac{1}{2},\frac{\sqrt{3}}{2},-\frac{1}{\sqrt{2}}$

1.	If a line makes an angle of 60°, 150°, 45° with the positive x, y, z-axis respectively, find its direction cosines.
A.	–\(\frac{1}{2},-\frac{\sqrt{3}}{2},\frac{1}{\sqrt{2}}\)
B.	–\(\frac{1}{2},-\frac{\sqrt{3}}{2},-\frac{1}{\sqrt{2}}\)
C.	\(\frac{1}{2},-\frac{\sqrt{3}}{2},\frac{1}{\sqrt{2}}\)
D.	\(\frac{1}{2},\frac{\sqrt{3}}{2},-\frac{1}{\sqrt{2}}\)
Answer» D.

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