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onepound

London

I'm currently learning Number Theory. Also an Electronic Engineer by profession with interests in relativity & QFT.

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Top Questions

What does the !! mean in trigonometric identity?

notation factorial asked Jan 12, 2020 at 17:23

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

calculus sequences-and-series complex-analysis trigonometry summation asked Feb 11 at 14:19

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bath and sink connected on same pipe - bath gurgling when sink bowl emptied

bathroom drain asked Jul 9, 2018 at 10:47

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Top Answers

How do I change my font size to 18 points globally?

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