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lightningz
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Homework Statement
Let f(x)=cos (x). Denote f^2(x) = ff(x), f^3(x)=fff(x) and so on.
For x=100 radians, find f^n(x) for n=1 to 20
Develop a calculator technique to find f^n(x) for any given value of n. Hence, find correct to 7 decimal places, the limit of f^n(x) for x= 100 radians and n approaching infinity.
Homework Equations
The Attempt at a Solution
sorry,i have no idea how to tackle this question.can any1 help me?=)
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