Chapter A4, Problem 33E

Nov A variable V depends on a radius r via the relationship V = r3 = -; 3 r > 0. Find the stationary point (s) of V. Classify each stationary point using the second derivative test.

Application 19. Determine the derivative of the following & simplify (within reason): [ a) y=sin(cosx) b) y = In(sin(e*)) c) y = 4cscx 20. Determine the equation of the tangent to the curve y = x - ex that is parallel to the line 6x-2y=7. ['

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