User onepound

onepound

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London

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I'm currently learning Number Theory.

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Jul 21, 2020
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Oct 31, 2017
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Nov 9

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Nov 19, 2016
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Jul 5, 2018
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Feb 13, 2022

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What does the !! mean in trigonometric identity?

Jan 12, 2020

Is there an identity for $\sum_{k=0}^{n-1}\tan^4\left({k\pi\over n}\right)$?

Nov 6, 2022

Is there any identity for $\sum_{k=1}^{n}\tan\left(\theta+\frac{k\pi}{\color{red} {2n+1}}\right)$?

Feb 11, 2022

Is there an identity for $\sum_{k=0}^{n-1}\csc\left(x+ k \frac{\pi}{n}\right)\csc\left(y+ k \frac{\pi}{n}\right)$?

May 8

How to solve integral $\int \log (x+\frac{1}{2}-\frac{\arctan(\tan(\pi(x+\frac{1}{2})))}{\pi})dx$?

Oct 25, 2019

Turning sum to integral representation

Dec 19, 2017

What are the minor and major arcs in the Circle method (Hardy & Littlewood)?

Jan 1, 2019

Product-to-sum trigonometry identity

Jul 20, 2014

How to find Sum of Sum of Partial Harmonic Series: $\sum_{b=1}^{m} \sum_{k=1}^{b} \frac{1}{k} $?

Jul 16, 2019

How can one find an identity for $\sum_{k=0}^{n-1}\tan^2(\frac{k\pi y}{n}) $?

Mar 14, 2022