3 years ago

Sin(2x)=sin(4x) Solve

1 answer:

8 0

Sin(2x)-sin(4x)=0
-2cos(3x)sin(x)=0
x=pi/6+2kpi/3
x=pi/2+2kpi/3, k=no solution
x=2kpi
x=pi+2kpi

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