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Two waves on one string are described by the wave functions
Y1 = 2.46 cos(2.80x - 1.02t)
Y2 4.93 sin(4.15x - 2.98t)
where x and y are in centimeters and t is in seconds and k in units of radians/cm. (Remember that the arguments of the trigonometric
functions are in radians.)
(b) Find the superposition of the waves y₁ + y2 at x = 1.0, t = 1.0 s.
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