Trigonometry (10th Edition)

$R=\frac{v^{2}}{g(f + tan\theta)}$ $v=45mph = 66ft/s$ $\theta=3^{\circ}$ $g= 32.2$ $f= 0.14$ $R=\frac{66^{2}}{32.2(0.14 + tan 3^{\circ})}=703 ft$