y= e^2x(cosx)
a) Show that dy/dx=e^2x (2cosx-sinx)
b) Find (d^2)y/dx^2 AT the point P (a,b), (d^2)y/dx^2=0
c)Use the results from parts a and b to prove that
tan a=3/4
and
the gradient of the curve at P is e^2a
a) Show that dy/dx=e^2x (2cosx-sinx)
b) Find (d^2)y/dx^2 AT the point P (a,b), (d^2)y/dx^2=0
c)Use the results from parts a and b to prove that
tan a=3/4
and
the gradient of the curve at P is e^2a