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Two projectiles are thrown with the same speed from point \( O \) and \( P \) so that they hit the inclined. If \( t_{\mathrm{O}} \) and \( t_{\mathrm{P}} \)
W be the time of flight in two cases, then
(1) \( t_{O}=t_{P}=\frac{2 u \cot \theta}{g} \)
(2) \( t_{\mathrm{O}}t_{\mathrm{P}} \)
(3) \( t_{\mathrm{O}}t_{\mathrm{P}} \)
(4) \( t_{O}=t_{P}=\frac{2 u \tan \theta}{g} \)
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