convergence of the iterated cosine
84846
Convergence of cos, sin, tan functions
58661
General infinite series convergence or divergence.
148349
Uniform convergence with two sequences of functions
34736
Convergence of series involving in iterated logarithms $\sum \frac{1}{n(\log n)^{\alpha_1}\cdots (\log^k(n))^{\alpha_k} }$
67006
Sequence of functions: Convergence
111475
Uniform convergence and the supremum theorem
5459
Convergent subsequence for sin(n)
80428
Convergence of $\int\limits_1^{\infty}x^\alpha\sin(x^\beta)dx$
96412
Prove $ \sum \frac{\cos n} { \sqrt n}$ converges
58475
Does $\int_0^\infty |\cos(x^2)| \mathrm dx$ converge?
77239
Limit point versus limit and implications for convergence
155695
The convergence of a sequence
13827
Uniform convergence for sequences of functions
106000
Determine if $f_n(x)= \big(\cos (\frac x {\sqrt n} )\big )^n $ converges pointwise or/and uniformly?
135895
Proving the bounds of cosine
33965
Convergence of $\sum_{n=1}^\infty (-1)^n(\sqrt{n+1}-\sqrt n)$
87834
How can we show that the following sequence converges?