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Could I ask a recommendation letter from a professor who left the university?

graduate-admissions recommendation-letter asked Jun 25 '17 at 19:01

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How to evaluate $\sum\limits_{k=0}^{n-1} \sin^t(\pi k/2n)$?

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Why is the bond dissociation energy of C-H bond higher than that of a N-H bond?

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Prove that $\lim_{n\rightarrow \infty} \frac{\log_{10}\lfloor\text{Denominator of } H_{10^n}\rfloor+1 }{10^n}=\log_{10} e$

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Prove $\int_{-\pi}^{\pi}\sin \sin x \,dx=0$ without using the fact that $\sin(x)$ is odd.

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Cyclohexanol.

Could I ask a recommendation letter from a professor who left the university?

How to evaluate $\sum\limits_{k=0}^{n-1} \sin^t(\pi k/2n)$?

Why is the bond dissociation energy of C-H bond higher than that of a N-H bond?

Prove that $\lim_{n\rightarrow \infty} \frac{\log_{10}\lfloor\text{Denominator of } H_{10^n}\rfloor+1 }{10^n}=\log_{10} e$

Prove $\int_{-\pi}^{\pi}\sin \sin x \,dx=0$ without using the fact that $\sin(x)$ is odd.

Limit of recursive sequence with floor

Proving if an integral is positive, negative, or zero

Is $540^\circ$ a straight angle?

Laplace transform of a polynomial

Largest palindrome that can be made from a product of 2 3-digit numbers (Project Euler 4)