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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