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22h
asked How do I prove that sine is dependent only on the angle?
Jan
29
asked Define the operations for quadratic forms expressed on matrices?
Jan
20
asked Where is the form $f(g(x))g'(x)$?
Jan
15
asked What is the cost of factoring polynomials in $\mathbb{R}[x]$?
Jan
12
asked Book filled with proofs pre-Decartes and post-Decartes?
Dec
6
asked Is it actually important to translate the conics?
Nov
29
asked Is $-2 h \sin (\theta ) \cos (\theta )\neq -h\sin (2\theta)$?
Nov
26
asked What's the importance of conics and quadrics in the context of a course of pure mathematics?
Nov
22
asked How did he went from $b_{12}$ to $\tan 2\varphi=\cfrac{2a_{12}}{a_{11}-a_{22}}$?
Nov
21
asked On a non-standard approach to the classification of conics?
Nov
19
asked What is the meaning of primes here?
Nov
12
asked Archimedean integration of $x^3$?
Nov
5
asked Find the points on the ellipse $x^2+2y^2=1$ where the tangent line has slope $1$.
Oct
12
asked Is my proof of $-(-a)=a$ correct?
Sep
29
asked How to go from $d= \left(\frac{A\cdot B}{B\cdot B} B,A \right)$ to $d=\frac{|A\cdot B|}{|B|}$?
Sep
19
asked Is there a problem in using this method to find a tangent line to a function?
Sep
17
asked Write $DC\times DA$ in the basis $\{VA,VB,VD \}$?
Sep
11
asked Proof: There is no bijection from $P(S)\to S$?
Sep
8
asked Prove that $-3/2\leq\cos a + \cos b + \cos c\leq 3$?
Sep
8
asked Prove that the biscetors of adjacent suplementary angles are perpendicular?