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LÜHECCHEgon
  • Member for 5 years, 1 month
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  • Genghua Lv Che; Dalian
47 votes
3 answers
6k views

Why are the trig functions versine, haversine, exsecant, etc, rarely used in modern mathematics?

2 votes
0 answers
111 views

What would it mean for mathematics if it was proven that $\pi$ is a normal number?

2 votes
0 answers
33 views

What would the law of the tangents be for a tetrahedron?

2 votes
1 answer
235 views

Trig Function with integration

2 votes
1 answer
56 views

Show that if $x=-1$ is a solution of $x^{3}-2bx^{2}-a^{2}x+b^{2}=0$, then $1-\sqrt{2}\le b\le1+\sqrt{2}$

1 vote
2 answers
395 views

How would one explain the concept of a p adic number in layman's terms?

1 vote
0 answers
74 views

Interesting finding about quotients of Recaman sequence's consecutive terms

0 votes
0 answers
42 views

How would one multiply numbers with extremely high exponents of 10, on a calculator?

0 votes
2 answers
89 views

How would graphing a hyperbola work, when including the $v$ in the asymptote equation?

0 votes
0 answers
65 views

Why does the formula for the volume of a rhombic triacontahedron contain $\sqrt{5}$?

0 votes
0 answers
61 views

How would we calculate the answer to this simple counting game problem?

0 votes
1 answer
100 views

The Integration Constant in the Formula for a Catenary

0 votes
0 answers
95 views

How do the partial differential equations of a leopard's spots work?

0 votes
1 answer
33 views

Calculus minimum stationary point

0 votes
1 answer
60 views

A question about derivative and polynomial

0 votes
1 answer
61 views

Prove a logarithmic statement

0 votes
1 answer
77 views

Real Number recursion

-1 votes
1 answer
71 views

Chess and cube combinatorics [closed]

-2 votes
2 answers
46 views

Log summation with geometric progression