Solution: Investigation Consider the function on the intervals and (a) Find a set of
Chapter 13, Problem 58(choose chapter or problem)
Consider the function
\(f(x, y)=\frac{\sin y}{x}\)
on the intervals \(-3 \leq x \leq 3\) and \(0 \leq y \leq 2 \pi\).
(a) Find a set of parametric equations of the normal line and an equation of the tangent plane to the surface at the point \(\left(2, \frac{\pi}{2}, \frac{1}{2}\right)\).
(b) Repeat part (a) for the point \(\left(-\frac{2}{3}, \frac{3 \pi}{2}, \frac{3}{2}\right)\).
(c) Use a computer algebra system to graph the surface, the normal lines, and the tangent planes found in parts (a) and (b).
Text Transcription:
f(x, y) = sin y / x
-3 leq x leq 3
0 leq y leq 2 pi
(2, pi / 2, 1 / 2)
(-2 / 3, 3 pi / 2, 3 / 2)
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