Question

$\zeta_5$ has degree $4$ over $\mathbb{Q}$ and $\zeta_7$ has degree $6$ over $\mathbb{Q}$

score 287 · Answer 1 · 2026-03-25 23:52:25

287

Views

$\zeta_5$ has degree $4$ over $\mathbb{Q}$ and $\zeta_7$ has degree $6$ over $\mathbb{Q}$

Published on 25 Mar 2026 - 23:52

score 115 · Answer 2 · 2026-03-25 03:20:41

115

Views

Closed formula from product of sine

Published on 25 Mar 2026 - 3:20

score 11k · Answer 3 · 2026-03-26 06:28:24

11k

Views

Orthogonal Projection Area of a 3-d Cube

Published on 26 Mar 2026 - 6:28

score 383 · Answer 4 · 2018-04-07 02:58:51

383

Views

Find Coordinates of the Center of a Circle After It's Made a Quarter-Turn

Published on 07 Apr 2018 - 2:58

score 31 · Answer 5 · 2018-04-07 04:18:45

31

Views

Finding the range of a function, which contains $a$ and its multiplicative inverse

Published on 07 Apr 2018 - 4:18

score 3.4k · Answer 6 · 2018-04-07 05:01:48

3.4k

Views

Solve $\tan (\theta) + \tan (2\theta) = \tan (3\theta)$

Published on 07 Apr 2018 - 5:01

score 735 · Answer 7 · 2018-04-07 06:47:46

735

Views

Equation of a simple harmonic motion (Finding the Amplitude and Phase Shift)

Published on 07 Apr 2018 - 6:47

score 89 · Answer 8 · 2018-04-07 07:27:55

89

Views

How to solve $y = \cos(x) + \sin(x)$

Published on 07 Apr 2018 - 7:27

score 58 · Answer 9 · 2018-04-07 08:34:47

58

Views

Solve pair of equations : $ x(y-\sin{y}) = -\pi$ and $ x(1-\cos{y}) = 2$

Published on 07 Apr 2018 - 8:34

score 145 · Answer 10 · 2026-03-25 18:04:36

In any triangle, if $\frac {\cos A+2\cos C}{\cos A+2\cos B}=\frac {\sin B}{\sin C}$, then the triangle is either isosceles or right-angled

score 142 · Answer 11 · 2018-04-07 10:41:42

142

Views

Is an angle a dimensionless measure without unit?

Published on 07 Apr 2018 - 10:41

score 52 · Answer 12 · 2026-03-27 22:03:56

52

Views

To find the length of a portion of a side of a triangle given that the triangle is inscribed in a circle

Published on 27 Mar 2026 - 22:03

score 62 · Answer 13 · 2026-03-25 18:04:40

62

Views

In any triangle, prove that:

Published on 25 Mar 2026 - 18:04

score 166 · Answer 14 · 2026-03-25 03:20:20

166

Views

Relating rotation angles of a plane with angles formed by direction vectors

Published on 25 Mar 2026 - 3:20

score 1.1k · Answer 15 · 2018-04-07 15:43:51

1.1k

Views

Three dimensional Height and distance problem of trigonometry

Published on 07 Apr 2018 - 15:43

List Question

$\zeta_5$ has degree $4$ over $\mathbb{Q}$ and $\zeta_7$ has degree $6$ over $\mathbb{Q}$

Closed formula from product of sine

Orthogonal Projection Area of a 3-d Cube

Find Coordinates of the Center of a Circle After It's Made a Quarter-Turn

Finding the range of a function, which contains $a$ and its multiplicative inverse

Solve $\tan (\theta) + \tan (2\theta) = \tan (3\theta)$

Equation of a simple harmonic motion (Finding the Amplitude and Phase Shift)

How to solve $y = \cos(x) + \sin(x)$

Solve pair of equations : $ x(y-\sin{y}) = -\pi$ and $ x(1-\cos{y}) = 2$

In any triangle, if $\frac {\cos A+2\cos C}{\cos A+2\cos B}=\frac {\sin B}{\sin C}$, then the triangle is either isosceles or right-angled

Is an angle a dimensionless measure without unit?

To find the length of a portion of a side of a triangle given that the triangle is inscribed in a circle

In any triangle, prove that:

Relating rotation angles of a plane with angles formed by direction vectors

Three dimensional Height and distance problem of trigonometry

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