Question: Compute dR/d from Equation 3-22 and show that setting dR/d = 0 gives = 45 for the maximum range. R= sin 20, 3-22

Compute dR/dθ from Equation 3-22 and show that setting dR/dθ = 0 gives θ = 45° for the maximum range.

R= sin 20, 3-22

R= sin 20, 3-22

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