Mathematics, 23.09.2020 05:01 andaws21

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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What If? If the teacher always launches the ball with the speed found in part (a), what is the minim...

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