Derivative Rules for y=cos(x) and y=tan(x) - Page 32

Questions
  • Find the derivative and simplify. y = -3xcosx Help!?
  • What is #d/dx(cosx(dy)/dz)# where #z=sinx#?
  • Solve the differential equation # dy/dx - 2y tanx = y^2 tan^2 x # ?
  • How do you differentiate #(xycosy)/(1 +y^4) = 1#?
  • What is the #n^(th)# derivative of # y(x) = e^x sinx #?
  • Laplace Transforms... How do I go about getting #y#?