Find the direction cosines of a line which makes an angle - with all three the coordinate axes-

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Direction Cosines

Find the dire...

Question

Find the direction cosines of a line which makes an angle θ with all three the coordinate axes.

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(a) \frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}} (b) \pm \frac{1}{\sqrt{3}}, \pm \frac{1}{\sqrt{3}}, \pm \frac{1}{\sqrt{3}} (c) - \frac{1}{\sqrt{3}}, - \frac{1}{\sqrt{3}}, - \frac{1}{\sqrt{3}} (d) \pm \frac{1}{3}, \pm \frac{1}{3}, \pm \frac{1}{3}

90^{\circ}, 135^{\circ}, 45^{\circ}

x, y and z

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