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onepound

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

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11 What does the !! mean in trigonometric identity? Jan 12 '20
4 How to solve integral $\int \log (x+\frac{1}{2}-\frac{\arctan(\tan(\pi(x+\frac{1}{2})))}{\pi})dx$? Oct 25 '19
4 Turning sum to integral representation Dec 19 '17
4 What are the minor and major arcs in the Circle method (Hardy & Littlewood)? Jan 1 '19
3 Trouble understanding steps in convolution Dec 23 '18
3 Algebraic manipulation in Vaughan's book on the circle method Jun 30 '18
3 Product-to-sum trigonometry identity Jul 20 '14
3 How to find Sum of Sum of Partial Harmonic Series: $\sum_{b=1}^{m} \sum_{k=1}^{b} \frac{1}{k} $? Jul 16 '19
3 How to show that $2\sum_{j=1}^{N}\cot(\frac{\pi j}{2N+1})$ is related to $(\frac{4 \text{N}+2}{\pi}) (H_{\text{N}}+\log (\frac{2}{\pi }))$? Jul 20 '20
2 modelling smooth square wave function Dec 27 '20
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