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Qn #1553
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If a vector $\vec{a}$ makes an equal angle with the coordinate axes and has magnitude 3, then the angle between $\vec{a}$ and each of the three coordinate axes is
A.
$cos^{-1}(\frac{1}{\sqrt{3}})$
B.
$sin^{-1}(\frac{1}{\sqrt{3}})$
C.
$\frac{\pi}{6}$
D.
$\frac{\pi}{3}$
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❓ Question: If a vector $\vec{a}$ makes an equal angle with th... | TANCET Group Studies | Tancet Group Studies