New posts in products

Proof of a (simple?) inequality $x^n \geq \prod\limits_{i=1}^n (x+k_i)$

What 1 number do you remove from $(1!)(2!)..(99!)(100!)$ to get a perfect sqaure

How to prove the identity $\prod_{n=1}^{\infty} (1-q^{2n-1}) (1+q^{n}) =1 $ for $|q|<1$?

Equivalent of a product

How to prove that $\frac{\sin \pi x}{\pi x}=\prod_{n=1}^{\infty}(1-\frac{x^2}{n^2})$ [duplicate]

Is $ \prod\limits_{k=0}^\infty \left(1 + \frac{1}{k!}\right) = \mathrm e^2 $?

New Year Maths 2015

Solving Induction $\prod\limits_{i=1}^{n-1}\left(1+\frac{1}{i}\right)^{i} = \frac{n^{n}}{n!}$

The derivative of a product of more than two functions

Matrix product notation

How does one calculate the product of $\tan 1^{\circ} ... \tan 45^{\circ}?$

Proof that ${2x\over 2x-1}={A(x)\over A(x-1)}$ for every integer $x\ge2$, where $A(x)=\sum\limits_{n=0}^\infty\prod\limits_{k=0}^n\frac{x-k}{x+k}$

Generalizing a Trig Identity

Is the product of two measurable subsets of $R^d$ measurable in $R^{2d}$?

How was Euler able to create an infinite product for sinc by using its roots?

Does $\operatorname{product-of-digits}(n)=n/3$ have at least one solution in any bases except for the power of $3$?

Calculating $\int_0^\infty \frac{\sin(x)}{x} \frac{\sin(x / 3)}{x / 3} \frac{\sin(x / 5)}{x / 5} \cdots \frac{\sin(x / 15)}{x / 15} \ dx$

Prove that $\prod\limits_{i=1}^n \frac{2i-1}{2i} \leq \frac{1}{\sqrt{3n+1}}$ for all $n \in \Bbb Z_+$

Simplifying the product $\prod\limits_{k=2}^n \left(1-\frac1{k^2}\right)$ [duplicate]

Product of sets and supremum