I want to calculate $\liminf\cos(n^4+n+1).$ In fact, I don't know how to proceed. I know that $\liminf\cos(n)$ is $-1$, but I have no idea if this will help me. So, I am asking if someone has an idea for the solution
2026-04-04 11:30:32.1775302232
Evaluate the limit inf of $\cos(n^4+n+1)$
154 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in REAL-ANALYSIS
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