Question

How are the trigonometric ratios geometrically defined for non-acute angles?

score 769 · Answer 1 · 2026-03-25 12:37:28

769

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How are the trigonometric ratios geometrically defined for non-acute angles?

Published on 25 Mar 2026 - 12:37

score 1.9k · Answer 2 · 2016-07-20 11:24:22

1.9k

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Geometry problem related to right angled triangles.

Published on 20 Jul 2016 - 11:24

score 308 · Answer 3 · 2016-07-20 19:01:46

308

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Sides of a triangle are in Arithmetic Progression, then find $\tan (\alpha+ \frac{\beta}{2})$

Published on 20 Jul 2016 - 19:01

score 12.5k · Answer 4 · 2016-07-21 15:35:06

12.5k

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How to find the area of the following isosceles triangle

Published on 21 Jul 2016 - 15:35

score 29 · Answer 5 · 2026-03-30 08:18:27

29

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Plotting triangles based on a single point with distance and angle.

Published on 30 Mar 2026 - 8:18

score 298 · Answer 6 · 2026-03-29 13:41:06

298

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More generalization of the Sawayama lemma

Published on 29 Mar 2026 - 13:41

score 75 · Answer 7 · 2016-07-24 17:38:07

75

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A box contains 5 rods whose lengths make triangles.

Published on 24 Jul 2016 - 17:38

score 95 · Answer 8 · 2016-07-25 11:30:01

95

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Minimal perimeter of a triangle

Published on 25 Jul 2016 - 11:30

score 1.3k · Answer 9 · 2026-04-01 00:27:17

1.3k

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Let D be the midpoint of BC in triangle ABC. Let E be the midpoint AD, F be the intersection of line BE with side AC. Find $\frac{AF}{FC}$.

Published on 01 Apr 2026 - 0:27

score 58 · Answer 10 · 2016-07-26 18:01:39

58

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Is it possible for two triangles to be different if the sides of one is equal to another?

Published on 26 Jul 2016 - 18:01

score 34 · Answer 11 · 2016-07-27 04:38:49

34

Views

Finding length and width of old square

Published on 27 Jul 2016 - 4:38

score 230 · Answer 12 · 2016-07-27 09:56:25

230

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Iterating three tangent circles using Malfatti Circles

Published on 27 Jul 2016 - 9:56

score 58 · Answer 13 · 2016-07-27 14:10:53

58

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Find the lengths of sides of a right triangle

Published on 27 Jul 2016 - 14:10

score 188 · Answer 14 · 2016-07-27 22:42:16

188

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Ratio of bisected cevian in triangle given intersection point

Published on 27 Jul 2016 - 22:42

score 1.1k · Answer 15 · 2016-07-30 15:52:59

1.1k

Views

What is the Area in shaded Region?(Tricky one)involves Circles,Rectangle,Triangle

Published on 30 Jul 2016 - 15:52

List Question

How are the trigonometric ratios geometrically defined for non-acute angles?

Geometry problem related to right angled triangles.

Sides of a triangle are in Arithmetic Progression, then find $\tan (\alpha+ \frac{\beta}{2})$

How to find the area of the following isosceles triangle

Plotting triangles based on a single point with distance and angle.

More generalization of the Sawayama lemma

A box contains 5 rods whose lengths make triangles.

Minimal perimeter of a triangle

Let D be the midpoint of BC in triangle ABC. Let E be the midpoint AD, F be the intersection of line BE with side AC. Find $\frac{AF}{FC}$.

Is it possible for two triangles to be different if the sides of one is equal to another?

Finding length and width of old square

Iterating three tangent circles using Malfatti Circles

Find the lengths of sides of a right triangle

Ratio of bisected cevian in triangle given intersection point

What is the Area in shaded Region?(Tricky one)involves Circles,Rectangle,Triangle

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