A placekicker is about to kick a field goal. The ball is 26.6 m from the goal post. The ball is kicked with an initial velocity of 19.0 m/s at an angle θ above the ground. Between what two angles, θ1 and θ2, will the ball clear the 2.8-m-high crossbar? (Hint: The following trigonometric identities may be useful sec θ = 1/(cos θ) and sec2 θ = 1 + tan2 θ.)
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