A straight line in the xy-plane makes an...

A straight line in the xy-plane makes an angle `pi/4` with y-axis. Find the direction cosines of the straight line.

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The correct Answer is:

`1/sqrt(2), 1/sqrt(2), 0`

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CHHAYA PUBLICATION-DIRECTION COSINES AND DIRECTION RATIOS-Exercise 3 : Short Answer Type Questions

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