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If $\cos \theta < \sin \theta$ and $\theta$ lies in the first quadrant, then which one of the following is correct?
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Verified Answer
The correct answer is:
$\pi / 4 < \theta < \pi / 2$
We know that, for $\frac{\pi}{4} < \theta < \frac{\pi}{2}$
$\cos \theta < \sin \theta$
$\cos \theta < \sin \theta$
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