Tuesday

September 30, 2014

September 30, 2014

Posted by **Lucy** on Saturday, August 30, 2008 at 2:40pm.

1) Write a cosine function with phase shift 0 for the height above water at the initial point after t seconds

2) use your function to find the height of the initial point after 5.5 seconds

3) and find the values of x for which the equation sin x= -1 is true.

Thanks for any assistance

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