Question

Covering a Hyperbolic Right-Angled Hexagon

score 179 · Answer 1 · 2026-03-25 04:37:19

179

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Covering a Hyperbolic Right-Angled Hexagon

Published on 25 Mar 2026 - 4:37

score 155 · Answer 2 · 2018-04-26 10:31:58

155

Views

Systematic way for proving trigonometric equations

Published on 26 Apr 2018 - 10:31

score 64 · Answer 3 · 2026-03-27 09:44:55

64

Views

Identification the type of curve (fractal?)

Published on 27 Mar 2026 - 9:44

score 50 · Answer 4 · 2018-04-26 18:47:49

50

Views

How to simplify of $\sin\left(\frac{\cos^{-1}\theta}2\right)$?

Published on 26 Apr 2018 - 18:47

score 227 · Answer 5 · 2018-04-26 21:04:26

227

Views

Why did not I find all the solutions to this equation? $\sin{3x}+\cos{2x}-\sin{x}=1$

Published on 26 Apr 2018 - 21:04

score 180 · Answer 6 · 2026-03-25 19:06:36

180

Views

Cutting a Straight Section of Moulding into Wedge Shapes that Form an Ellipse when Assembled

Published on 25 Mar 2026 - 19:06

score 302 · Answer 7 · 2018-04-27 03:19:18

302

Views

Computing $\cos^4 20^{\circ}+\cos^4 40^{\circ}+\cos^4 60^{\circ}+\cos^4 80^{\circ}$

Published on 27 Apr 2018 - 3:19

score 79 · Answer 8 · 2026-03-29 02:30:31

79

Views

(Complex Numbers) I've almost solved this problem but can't understand which particular case is this problem talking about.

Published on 29 Mar 2026 - 2:30

score 94 · Answer 9 · 2026-03-25 04:43:35

94

Views

Find $cot\space x_n$ if $sin(x_{n+1}-x_n)+2^{-(n+1)}sin\space x_nsin \space x_{n+1}=0$ for $n\ge1$

Published on 25 Mar 2026 - 4:43

score 81 · Answer 10 · 2018-04-27 09:38:18

81

Views

Solve the equation $\sin(3x)\cos(x)=\frac{2}{3}$

Published on 27 Apr 2018 - 9:38

score 850 · Answer 11 · 2018-04-27 11:06:51

How prove $\cos(\frac{2\pi}{17}) + \cos(\frac{18\pi}{17})+\cos(\frac{26\pi}{17})+\cos(\frac{30\pi}{17}) = \frac{\sqrt{17}-1}{4}$

score 50 · Answer 12 · 2026-03-29 02:30:25

50

Views

I was going through a textbook and came across this expression.

Published on 29 Mar 2026 - 2:30

score 186 · Answer 13 · 2018-04-27 20:50:14

186

Views

Solving $\cos(\pi(x-1))=0$

Published on 27 Apr 2018 - 20:50

score 614 · Answer 14 · 2018-04-28 02:16:48

614

Views

How can tan(30°) be irrational and at the same time be a ratio within a triangle?

Published on 28 Apr 2018 - 2:16

score 326 · Answer 15 · 2026-03-25 09:32:04

326

Views

If the sides $a$, $b$ and $c$ of $\triangle ABC$ are in Arithmetic Progression

Published on 25 Mar 2026 - 9:32

List Question

Covering a Hyperbolic Right-Angled Hexagon

Systematic way for proving trigonometric equations

Identification the type of curve (fractal?)

How to simplify of $\sin\left(\frac{\cos^{-1}\theta}2\right)$?

Why did not I find all the solutions to this equation? $\sin{3x}+\cos{2x}-\sin{x}=1$

Cutting a Straight Section of Moulding into Wedge Shapes that Form an Ellipse when Assembled

Computing $\cos^4 20^{\circ}+\cos^4 40^{\circ}+\cos^4 60^{\circ}+\cos^4 80^{\circ}$

(Complex Numbers) I've almost solved this problem but can't understand which particular case is this problem talking about.

Find $cot\space x_n$ if $sin(x_{n+1}-x_n)+2^{-(n+1)}sin\space x_nsin \space x_{n+1}=0$ for $n\ge1$

Solve the equation $\sin(3x)\cos(x)=\frac{2}{3}$

How prove $\cos(\frac{2\pi}{17}) + \cos(\frac{18\pi}{17})+\cos(\frac{26\pi}{17})+\cos(\frac{30\pi}{17}) = \frac{\sqrt{17}-1}{4}$

I was going through a textbook and came across this expression.

Solving $\cos(\pi(x-1))=0$

How can tan(30°) be irrational and at the same time be a ratio within a triangle?

If the sides $a$, $b$ and $c$ of $\triangle ABC$ are in Arithmetic Progression

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