# Apply the chain rule to finding partial derivatives.

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A. Use the chain rule to find dz/ds and dz/dt as functions of x, y, s and t

B. Find the numerical values of dz/ds and dz/dt when (s,t) = (2, -2).

Suppose z = x2 sin y, x =... (Please see the attached file for the fully formatted problem).

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#### Solution Summary

The chain rule to is applied to finding partial derivatives.

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