Mathematics
Kevin Hsu's user avatar
Kevin Hsu's user avatar
Kevin Hsu's user avatar
Kevin Hsu
  • Member for 8 years, 2 months
  • Last seen more than 4 years ago
  • Canada
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515
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4
answers
10
questions
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About

I'm a math undergrad who has recently finished second year.

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Top posts
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All Questions Answers
Score Newest
question
11
A proof involving the Euler phi function
Apr 25, 2015
question
7
Book recommendation for Abstract Algebra
Apr 14, 2015
question
6
Show that $G/H$ has the trivial topology if $H \subset G$ is dense
Apr 9, 2017
answer
3
Find an algebraic expression for sin(arccos(x))
Apr 26, 2015
answer
3
When is $\theta$ obtuse or acute in sin, cosine, tan when they are positive, negative or both?
Apr 26, 2015
question
2
Proving an Inequality (terms won't cancel out)
Apr 20, 2015
question
2
Proving $\mathbb{Q} \times \mathbb{Z_2} \ncong \mathbb{Q}$
May 3, 2015
question
2
Proof of Heine-Borel on the Complex Plane
Jun 10, 2016
question
1
Complicated partial fraction expansion
May 18, 2016
question
1
Power Series Extensions into the Complex Plane
Jun 15, 2016

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