Solve the problem.A vibrating wire has a vertical displacement given by
Assume b and t are constants. Write y as a cosine function of x.
A. y = cos(2?x - bt)
B. y = 4 cos(2?x + bt)
C. y = 8 cos(2?x + bt)
D. y = 4 cos(2?x - bt)
Answer: D
Mathematics
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.
A. 4?
B. 8?
C.
D.
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A.
B.
C.
D.
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A. 81x6y6 B. 81x8y5 C. -18x6y5 D. -81x6y5
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