A note on a piano has given frequency 420. Suppose the maximum displacement at the center of the piano wire is given by 0.18. Find the constants a and w so that d= a cos (wt) models this displacement.

i believe that is true.

step-by-step explanation:

hope my answer has you if not i'm sorry.

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c

step-by-step explanation:

it would be see because your formula is f(x)=6x, so 6 times 1 is 6 and you go on and the best answer is c.