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15
Math.TechQA.Club
2026-03-30 13:37:23
98
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Prove $\sin^2 A = \sin^2 B \sin^2 C - 2\sin B \sin C \cos A$
Published on
30 Mar 2026 - 13:37
#geometry
#euclidean-geometry
#analytic-geometry
5.3k
Views
which axiom(s) are behind the Pythagorean Theorem
Published on
26 Mar 2026 - 14:19
#geometry
#euclidean-geometry
#axioms
77
Views
What class am I most prepared for?
Published on
02 Apr 2026 - 4:59
#combinatorics
#number-theory
#soft-question
#euclidean-geometry
370
Views
Calculating incremental coordinate change along a 3D vector
Published on
05 Apr 2014 - 0:08
#linear-algebra
#euclidean-geometry
#vectors
376
Views
Heptagonal tesselations
Published on
01 Apr 2026 - 0:25
#geometry
#euclidean-geometry
#tessellations
938
Views
Perpendicular lines inside and outside a circle
Published on
31 Mar 2026 - 21:55
#geometry
#euclidean-geometry
#triangles
960
Views
Equation of a line passing through a given point, perpendicular with a line
Published on
08 Apr 2014 - 7:09
#euclidean-geometry
#vectors
159
Views
Maximize the inradius given the base and the area of the triangle
Published on
12 Apr 2014 - 10:47
#geometry
#euclidean-geometry
#contest-math
280
Views
Draw a picture of a cube with edges a+b, and show it cut by planes that divide each edge into a segment of length a and a segment of length b.
Published on
15 Apr 2014 - 5:56
#geometry
#euclidean-geometry
262
Views
To construct a right triangle given the hypotenuse and sum of two legs
Published on
26 Mar 2026 - 6:21
#geometry
#euclidean-geometry
#geometric-construction
632
Views
How to compute an angle in specific counter-clockwise direction between vectors
Published on
20 Apr 2014 - 19:11
#euclidean-geometry
70
Views
Is it possible for Euclid's theorem to generate 3 4 5?
Published on
21 Apr 2014 - 9:30
#euclidean-geometry
80
Views
Perpendicular versus perpendicular bisector
Published on
25 Mar 2026 - 6:09
#geometry
#euclidean-geometry
#congruences-geometry
104
Views
The Least Area For a Needle to Pass Through a Curve?
Published on
23 Apr 2014 - 7:06
#geometry
#euclidean-geometry
198
Views
Find vector resultant in rhombus
Published on
24 Apr 2014 - 10:49
#vector-spaces
#euclidean-geometry
#vectors
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