Calculus/help.

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Expert: - 1/21/2009


Question
State the rule of a function of the form f (t) = Asin(bt) or g (t) = Acos(bt) whose graph appears to be identical to the given graph.

http://www.webassign.net/hprecalc/6-5-18.gif


I can't get further than -5sin(    )
i can't figure out what goes in the parenthesis and how to figure out that information. please help!  

Answer
I tried putting http://www.webassign.net/hprecalc/6-5-18.gif
webassign.net/hprecalc/6-5-18.gif, and webassign.net/hprecalc
in my web search box, but nothing was found.

There are no values of A and b to make Asin(bt)
to be the same as Acos(bt).

The thing that needs to be done to make them look alike is
sin(t) = cos(t-pi/2), or f(t) = g(t-pi/2).  

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