Displacement of Moving Sinusoidal Wave (period)

$y = A*cos(2pi( x / lambda - t / T ))$

$(A)"Amplitude"$

$(x)"Location"$

$(lambda)"Wavelength"$

$(t)"Time"$

$(T)"Period"$

Reference

Young, Hugh and Freeman, Roger. University Physics With Modern Physics. Addison-Wesley, 2008. 12th Edition, (ISBN-13: 978-0321500625 ISBN-10: 0321500628 ) Pg 493, eq 15.4