The period is divide by the frequency Thus,Originally Posted bysugar_babee

For the second part you need to solve,

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- May 25th 2006, 03:39 PM #1

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## Need help please

A ship is docked in port and rises and falls with the waves.

The model h(t)=sin(PI/5)t describes the vertical movement of the ship, h, in metres at t seconds

What is the period of the function?

Determine all the times within the first minute that the vertical position of the ship is -0.9m to the nearest tenth of a second.

I'm not sure as to how im supposed to figure these out. Am i supposed to actually draw the graph to represent this or something?

- May 25th 2006, 05:42 PM #2

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- May 25th 2006, 09:11 PM #3

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- May 26th 2006, 08:58 AM #4

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