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Mathematics
Valery Figueroa
30 June, 18:02
Prove sin (3pi-x) = sin x
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Kenneth Gillespie
30 June, 21:10
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Sin (3pi-x) = sinx
divide by sin
3pi-x=x
2x=3pi
x = 3/2 pi
Sub x into equation:
sin (3pi - (3/2) pi) = sin (3/2pi)
3pi - (3/2) pi=3/2pi
3pi = (3/2) pi + (3/2) pi
3pi=3pi
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