Can we express the following in a closed form?
129913
Evaluate: $I=\int\limits_{0}^{\frac{\pi}{2}}\ln\frac{(1+\sin x)^{1+\cos x}}{1+\cos x}dx$
99314
Closed form of infinite product $ \prod\limits_{k=0}^\infty \left(1+\frac{1}{2^{2^k}}\right)$
2077
Denoting the end of example/remark
58972
Proof/Derivation of Closed form of Binomial Expression $\sum\limits_{k=0}^{2n}(-1)^k\binom{2n}{k}^2$
10357
Do harmonic numbers have a “closed-form” expression?
123747
How would you typeset the following
78300
Showing a set is closed other than giving a counterexample?
129454
Solution to a quadratic form
120092
Express the complex numbers given in Problem in the form $a+ib$
23726
A closed form for $1^{2}-2^{2}+3^{2}-4^{2}+ \cdots + (-1)^{n-1}n^{2}$
2341
An expression that adds little information
8558
What does a "closed-form solution" mean?
133160
Closed form for $\int_0^\infty\frac{1}{(1+x^2)^s}\,dx$ when $s\in (0.5,\infty)\setminus\mathbb{N}$
78469
Is a closure for dereferencing variables useful?
145835
Closed form for CRT solution using Euler $\phi\,$ (totient)
127284
Closed form of $\int_0^{\pi/2} \frac{\arctan^2 (\sin^2 \theta)}{\sin^2 \theta}\,d\theta$
49982
Closed expression for infinite series