tiertuioly tiertuioly
  • 10-08-2021
  • Mathematics
contestada

Picture below maths :

Picture below maths class=

Respuesta :

jeremiah693
jeremiah693 jeremiah693
  • 13-08-2021

Step-by-step explanation:

f(g(x))= f(2x)

f(g(x))=3+cos2x

g(f(x))=g(3+cosx)

g(f(x))=2(3+cosx)

g(f(x))=6+2cosx

where,

f(g(x))=g(f(x))

3+cos2x=6+2cosx

2cosx-cos2x+6-3=0

2cosx-cos2x+3=0

x=2pi n1+pi

n1€ z

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