In Exercises 4552, evaluate and at the given point.fx, y cos2x y, 4,3
Chapter 13, Problem 47(choose chapter or problem)
In Exercises 45–52, evaluate \(f_{x}\) and \(f_{y}\) at the given point.
f(x, y)=\cos (2 x-y), \(\left(\frac{\pi}{4}, \frac{\pi}{3}\right)\)
Text Transcription:
f_x
f_y
(pi/4, pi/3)
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