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Let z = erty3 az , T = r cos(0), and y = r sin(0). The partial derivative ae is A. 3r2er3 (cos3 (0) +-sin3(0))

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Let z = erty3 az , T = r cos(0), and y = r sin(0). The partial derivative ae is A. 3r2er3 (cos3 (0) +-sin3(0)) B. 3r2er3 (cos3 (0)-sin3(0)) C. 3r3 (sin?(0) cos(0) + cos2(0) sin(0) )er3(cos3(0) +-sin3(0)) D. 3r3(sin?(0) cos(0) - cos?(0) sin(0) )ers(cos3(0)+-sin(0)) E. 6r2 sin(0) cos(0) er3(cos3 (0)-sin3(0))

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