# NasuSama

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bio website http_error_503_site_unavailab… location New York, United States age 22 member for 1 year, 9 months seen Jun 8 at 2:47 profile views 606

Hello. I'm the college student majoring in mathematics, and I'm interested in visiting this site and learn more from mathematicians and any users with math background.

# 119 Answers

 9 Is there a relation that is irreflexive, anti-symmetric and not transitive? 6 When $y = x^3 - 3x^2 - 24x - 7$, why is $\frac{dy}{dx} = 3x^2 - 6x - 24$? 5 Is $\ \mathcal{P}(A\cap B) = \mathcal{P}(A)\cap \mathcal{P}(B)$ True? 5 How come you can 'flip' trigonometric functions? 5 How can this trig equation be simplified?

# 2,231 Reputation

 +10 Whats the maximum value of $y=6\cos\left( \frac {2\pi}{14} x\right)-2?$ +5 Prove that if $V$ and $W$ are affine varieties, then $V \times W$ is an affine variety. +10 How can this trig equation be simplified? +10 How do i simplify this $\cos{\theta}=\frac{1-\sin^2{\theta}}{1+\cos{\theta}}$

# 43 Questions

 7 Compute $\sum\limits_{n = 1}^{\infty} \frac{1}{n^4}$. 6 Decompose $P$ into the direct sum of irreducible representations. 4 Find $\mathrm{Aut}(G)$, $\mathrm{Inn}(G)$ and $\mathrm{Aut}(G)/\mathrm{Inn}(G)$ for $G = D_4$ 4 Compute the mean of $(1 + x)^{-1}$ 4 Exhibit the correspondence in the Correspondence Theorem.

# 83 Tags

 48 calculus × 35 12 discrete-mathematics × 7 22 algebra-precalculus × 14 10 graph-theory × 9 21 trigonometry × 8 9 order-theory × 2 18 integration × 13 9 relations 16 differential-equations × 11 9 combinatorics

# 7 Accounts

 Mathematics 2,231 rep 427 TeX - LaTeX 123 rep 5 Physics 119 rep 5 Academia 113 rep 4 MathOverflow 103 rep 2

# 28 Badges

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