A projectile is fired at an angle of \( 45^{\circ} \) with the horizontal. Elevation angle of th...

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A projectile is fired at an angle of \( 45^{\circ} \) with the horizontal. Elevation angle of the projectile at its highest point as seen from the point of projection, is [CBSE PMT (Mains) 2011]
(a) \( \tan ^{-1}\left(\frac{\sqrt{3}}{2}\right) \)
(b) \( 45^{\circ} \)
(c) \( 60^{\circ} \)
(d) \( \tan ^{-1} \frac{1}{2} \)
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