A wave represented by the equation y=acos(kx- t) is superposed with another wave to form a stationary wave such that point x=0 is a node. The equation for the other wave is?

A wave represented by the equation y=acos(kx- t) is superposed with an

1.	A wave represented by the equation y=acos(kx- t) is superposed with another wave to form a stationary wave such that point x=0 is a node. The equation for the other wave is?
A.	acos(kx- t)
B.	-acos(kx- t)
C.	-acos(kx+ t)
D.	-asin(kx- t)
Answer» D. -asin(kx- t)

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A wave represented by the equation y=acos(kx- t) is superposed with another wave to form a stationary wave such that point x=0 is a node. The equation for the other wave is?

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