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Mathematics, 18.09.2019 00:00 TrueKing184

What if? if the teacher always launches the ball with the speed found in part (a), what is the minimum angle (in degrees above the horizontal) at which he can launch the ball and still clear the playground railing? (hint: you may need to use the trigonometric identity sec2(θ) = 1 + tan2(θ

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