Question:medium

A line makes the same angle \(\theta\) with each of the X and Z-axes. If the angle \(\beta\) which it makes with Y-axis is such that \(\sin^2\beta=3\sin^2\theta\), then \(\cos^2\theta\) equals

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Use \(l^2+m^2+n^2=1\).
Updated On: Mar 23, 2026
  • \(2/5\)
  • \(1/5\)
  • \(3/5\)
  • \(2/3\)
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The Correct Option is A

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