The ranges and heights for two projectiles projected with the same initial velocity at angles \(....

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The ranges and heights for two projectiles projected with the same initial velocity at angles \(42^{\circ}\) and \(48^{\circ}\) with the horizontal are \(\mathrm{R}_1, \mathrm{R}_2\) and \(\mathrm{H}_1, \mathrm{H}_2\) respectively.
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