[Solved] Find dw/dt (a) using the appropriate chain rule and (b) by converting w to a function of t before differentiating. w= cos (x-y), x=t^2,
Question: Find dw/dt (a) using the appropriate chain rule and (b) by converting w to a function of t before differentiating.
\(w=\cos (x-y), \quad x=t^{2}, \quad y=1\)
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