Hi,

i need help with second part;

Suppose = = x sin(y) , I = -482 - 4t', y = 8st. A. Use the chain rule to find Oz and as functions of c, y, s and t. Us -16sx sin (v) + 8tx- cos Oz 16tx sin (y) + 8sx cos(y) B. Find the numerical values of and when (s, t) = (3, -1). Dz (3, -1) = (3, -1) =