Prove that the tangent of the angle (0 /2) between the radial line
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Prove that the tangent of the angle ψ(0 ≤ ψ ≤ π/2) between the radial line and the tangent line at the point (r, θ) on the graph of r = ƒ(θ) (see figure) is given by
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tan = dr/de R|N 2 Polar curve: r = f(0) A Tangent line Y Radial line P = (r, 0) 0 Polar axis
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slope of the tangent line through A and Pis f cos 0 fsin f sin f cos This is equal to tan 0 y t...View the full answer
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