Find the normal vector N() to r() = R (cos , sin ), the circle of radius

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Find the normal vector N(θ) to r(θ) = R (cos θ, sin θ), the circle of radius R. Does N(θ) point inside or outside the circle? Draw N(θ) at θ = π/4 with R = 4.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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