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Posted by on Friday, August 29, 2008 at 10:19am.

The depth of water in a tank oscilliates sinusoidally once every 6 hours. If the smallest depth is 5.5 feet and the largest depth is 8.5 feet, find a possible formula for the depth of time inhours.

I say f(x)=6.75+1.25sin(pi/3)

Am I right

  • Trig - , Friday, August 29, 2008 at 10:27am

    Correct.

  • Trig - , Friday, August 29, 2008 at 1:38pm

    I believe it should have been

    y = 7 + 1.5sin(pi/3)t

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