The direction cosines of the line x-y-z are -MP PET 1989-A- 1-3- 1-3- 1-1B- 1-3- 1-3- 1-3C- 1-1-1D- None of these

The correct option is A Direct cosines (1/√(3),1/√(3),1/√(3) ). ...

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Euler's Representation

The direction...

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The direction cosines of the line x = y = z are
[MP PET 1989]

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None of these

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O X, O Y

O Z

\frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}

Show that the direction cosines of a vector equally inclined to the axes OX, OY and OZ are.

\frac{1}{\sqrt{3}}, \frac{1}{\sqrt{6}}

\frac{1}{\sqrt{3}}, \frac{1}{\sqrt{6}}, n

P (6, - 7, - 1)

Q (2, - 3, 1)

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