fisherman2001 fisherman2001
  • 06-03-2018
  • Mathematics
contestada

Given f(x)= sin x and g(x)=cos x find f(g(pi/2)). show all your steps

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carlosego
carlosego carlosego
  • 16-03-2018
First we make the composition of functions:
 f (x) = sin x
 g (x) = cos x
 f (g (x)) = sin (cos x)
 We now evaluate the composite function in pi / 2:
 f (g (pi / 2)) = sin (cos (pi / 2))
 f (g (pi / 2)) = sin (0)
 f (g (pi / 2)) = 0
 Answer:
 f (g (pi / 2)) = 0
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