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 Yearling
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Jun
22
answered Max/Min problem - Find proportions of a right circular cylinder
May
22
awarded  Yearling
May
12
comment Integrate $\int \frac{x^5 dx}{\sqrt{1+x^3}}$
You mean $x^3$ in the root and the trivial constant of integration.
Apr
7
reviewed Approve Integer functional equation $f(f(f(n)))=f(n+1)+1$
Apr
6
reviewed Leave Open Prove $ \sum \frac{\cos n} { \sqrt n}$ converges
Apr
6
reviewed Leave Open What are Bernoulli numbers?
Mar
26
revised What is the intuition behind $\cos^2(x)$ being the same as $(\cos x)^2$?
edited body
Mar
26
comment What is the intuition behind $\cos^2(x)$ being the same as $(\cos x)^2$?
@Meelo Ah, indeed I reached short in typing. I had meant to hit '1' not '2' and did not catch this in the quick proofreading. Thank you for catching it!
Mar
26
revised What is the intuition behind $\cos^2(x)$ being the same as $(\cos x)^2$?
added 20 characters in body; edited title
Mar
26
answered What is the intuition behind $\cos^2(x)$ being the same as $(\cos x)^2$?
Mar
19
revised How to calculate $(1+x)(1+x+x^2)\cdots(1+x+x^2+\cdots+x^n)$
added 5 characters in body; edited title
Mar
4
revised Number Theory: Divisibility
added 60 characters in body
Mar
4
comment Open/publicly available textbooks worth their salt
If you specifically want a free Calculus reference, why not try Pete Clark's: math.uga.edu/~pete/2400full.pdf
Mar
4
revised Open/publicly available textbooks worth their salt
added 3 characters in body
Mar
4
revised Open/publicly available textbooks worth their salt
added 3 characters in body
Mar
4
answered Open/publicly available textbooks worth their salt
Mar
2
reviewed Close Prove $k^2>k+1$ by induction
Mar
2
reviewed Leave Open Semigroups: Product Rule
Mar
2
reviewed Close Continuous to Uniform Continuous
Mar
2
revised Number Theory:Quadratic Reciprocity Part II
added 38 characters in body