The curve above is the graph of a sinusoidal function. It goes through the point and . Find a sinusoidal function that matches the given graph.
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Where is the curve put it down on the comment i will give you the answer ok ......
It goes through the point (3,1)
Hopefully it uploads correctly this time, thanks!
Just put it now .....;
Every time I reply to this thread it refreshes the page..I'm sorry for all the duplicate comments. Are you able to see the png?
Sorry for late i just didn't saw the graph ......;
the function is :
f(x) = - cos(x(pi/3))
Please each time you have any other homework invite me or ask me directly i will give you the best answer
I can tell by the graph that the Amplitude is 1 and I know to find B is 2pi/absolute value of B. Do you mind explaining how you were able to find -Cos(x(pi/3))? Thanks :)
ok we know : f(x) = A cos(kx) - E
so : E = 0
and : A = - 1
and : k = 6
so : 2pi/k = 6
so : k = 2pi/6
so : k = pi/3
so we have just to put each terme on here place :
so :f(x) = -Cos(xpi/3)
is clear now
is clear now ??
Great explanation! I can do the rest now thank you very much!
Great that s what i want , but test is cos() or sin() ok , and good luck
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