zolowski zolowski
  • 29-07-2017
  • Mathematics
contestada

sin x - sin (2x) = 0

Respuesta :

amirreza688 amirreza688
  • 29-07-2017
sin x = sin 2x
x=2kπ+2x
x=-2kπ
also
x=2kπ+π-2x
3x=2kπ+π
x=2kπ/3+π/3
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