Suppose a projectile is fired from a cannon with velocity vo and angle of elevation 0 The horizontal distance R 0 it travels in feet is given by the following R 0 vo sin 20 32 If vo 80 ft s what angle in radians should be used to hit a target on the ground 106 feet in front of the cannon 0 Do not round any intermediate computations and round your answer s to the nearest hundredth of a radian If there is more than one answer enter additional answers with the or button 0 rad or