Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §13.5 The Chain Rule, #45 · Multivariable Calculus · Partial derivatives

(a) For … find … and

(a) For $f = r^{2} sin^{2} θ$ find $f_{x}$ and $f_{y}$ .
(b) For $f = x^{2} + y^{2}$ find $f_{r}$ and $f_{θ}$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §13.5 The Chain Rule, #45

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