Question

Determine whether the sequence converges or diverges. If it converges, find the limit. $a_n=\frac{\cos ^2 n}{2^x}$

   Determine whether the sequence converges or diverges. If it converges, find the limit.
 $a_n=\frac{\cos ^2 n}{2^x}$

Calculus

James Stewart 7th Edition

Chapter 11, Problem 43

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The given sequence is \( a_n = \frac{\cos^2 n}{2^n} \). Show more…

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Determine whether the sequence converges or diverges. If it converges, find the limit. $a_n=\frac{\cos ^2 n}{2^x}$

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