Given the function sin x + cos y = 2y, find all critical points. Then use...
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Given the function sin x + cos y = 2y, find all critical points. Then use both the first and second derivative tests to classify these critical points as relative maxima or minima. (8 points) Given the function sin x + cos y = 2y, find all critical points. Then use both the first and second derivative tests to classify these critical points as relative maxima or minima. (8 points)
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