Y=Y0sin(kx−ωt)Y=Y_{0} \sin (k x-\omega t)Y=Y0sin(kx−ωt)
y=y0sin2πTty=y_{0} \sin \frac{2 \pi}{T} ty=y0sinT2πt
y=y0sin(kx+ωt)y=y_{0} \sin (k x+\omega t)y=y0sin(kx+ωt)
y=y0sin2πλvty=y_{0} \sin \frac{2 \pi}{\lambda} v ty=y0sinλ2πvt