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Acceleration in 2D

If a line mak...

Question

If a line makes angles of $30^{\circ}$ and $45^{\circ}$ with x-axis and y-axis, then the angle made by it with z-axis is

A

45⁰

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B

60⁰

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C

120⁰

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D

None of these

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Solution

The correct option is D
None of these

$c o s γ = \sqrt{1 - \frac{3}{4} - \frac{1}{2}} = \sqrt{\frac{- 1}{4}}$ which is not possible.

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