Find dz/dt when (a) z = e cos y, where x = 2t + f and y
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Find dz/dt when
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(a) z = e cos y, where x = 2t + f and y = 4t (b) z = x + fand x +21 + 3xt = 0.
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a dz z dx dt ax dt b e cos y2 2t e sin y4 2e 1 t cos y 2 sin y 2e21 t cos 4t 2 ...View the full answer
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