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Use calculus to derive area of circle using n triangles

score 5k · Answer 1 · 2015-04-29 14:37:10

5k

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Use calculus to derive area of circle using n triangles

Published on 29 Apr 2015 - 14:37

score 761 · Answer 2 · 2026-04-13 08:59:41

761

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If in a triangle $ABC$, $a\cos A=b\cos B$, then the triangle is a/an

Published on 13 Apr 2026 - 8:59

score 315 · Answer 3 · 2026-04-13 06:19:27

315

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Proof of equilateral triangle given angles

Published on 13 Apr 2026 - 6:19

score 393 · Answer 4 · 2026-04-08 20:49:06

393

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Naive approach to Pythagoras

Published on 08 Apr 2026 - 20:49

score 60 · Answer 5 · 2026-04-12 03:58:07

60

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Trigonometric inequality in an obtuse triangle

Published on 12 Apr 2026 - 3:58

score 193 · Answer 6 · 2026-04-12 06:21:11

193

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construct a triangle given n items

Published on 12 Apr 2026 - 6:21

score 112 · Answer 7 · 2026-04-12 20:09:28

112

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Calculating pairwise distance of two N-dimensional vectors given their length and angle

Published on 12 Apr 2026 - 20:09

score 6.5k · Answer 8 · 2026-04-13 14:43:57

6.5k

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Find an Angle of a Right Triangle Without Trigonometric Functions

Published on 13 Apr 2026 - 14:43

score 446 · Answer 9 · 2015-05-01 15:57:59

446

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Different Law of Cosines using Sine instead: $c^2 = a^2 + b^2 - 2ab\sqrt{1-\sin^2(\theta)}$

Published on 01 May 2015 - 15:57

score 43 · Answer 10 · 2015-05-02 14:05:39

43

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Vectors: right triangle, two vertex known and a direction vector parallel to unknown point

Published on 02 May 2015 - 14:05

score 960 · Answer 11 · 2015-05-02 19:40:05

960

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Finding the length of a side of a triangle

Published on 02 May 2015 - 19:40

score 84.6k · Answer 12 · 2015-05-02 20:42:13

84.6k

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Calculate sides of right triangle with hypotenuse and area or perimeter

Published on 02 May 2015 - 20:42

score 655 · Answer 13 · 2015-05-04 12:07:41

655

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Right angled triangle log

Published on 04 May 2015 - 12:07

score 86 · Answer 14 · 2015-05-04 17:37:57

86

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How many ways are there to break up the regular 9-gon into triangles by diagonals?

Published on 04 May 2015 - 17:37

score 514 · Answer 15 · 2026-04-12 23:30:20

514

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The conjecture that no triangle has rational sides, medians and altitudes

Published on 12 Apr 2026 - 23:30

List Question

Use calculus to derive area of circle using n triangles

If in a triangle $ABC$, $a\cos A=b\cos B$, then the triangle is a/an

Proof of equilateral triangle given angles

Naive approach to Pythagoras

Trigonometric inequality in an obtuse triangle

construct a triangle given n items

Calculating pairwise distance of two N-dimensional vectors given their length and angle

Find an Angle of a Right Triangle Without Trigonometric Functions

Different Law of Cosines using Sine instead: $c^2 = a^2 + b^2 - 2ab\sqrt{1-\sin^2(\theta)}$

Vectors: right triangle, two vertex known and a direction vector parallel to unknown point

Finding the length of a side of a triangle

Calculate sides of right triangle with hypotenuse and area or perimeter

Right angled triangle log

How many ways are there to break up the regular 9-gon into triangles by diagonals?

The conjecture that no triangle has rational sides, medians and altitudes

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