In Exercises 55 and 56, (a) find the gradient of the function at (b) find a unit normal
Chapter 13, Problem 56(choose chapter or problem)
In Exercises 55 and 56, (a) find the gradient of the function at P, (b) find a unit normal vector to the level curve f(x, y) = c at P, (c) find the tangent line to the level curve f(x, y) = c at P, and (d) sketch the level curve, the unit normal vector, and the tangent line in the xy-plane.
f(x, y) = 4y sin x - y
c = 3, \(P\left(\frac{\pi}{2},\ 1\right)\)
Text Transcription:
P(pi/2, 1)
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