Question

Deriving $\frac{\cos(n+1)\varphi\sin n\varphi}{\sin\varphi}$?

score 47 · Answer 1 · 2018-09-16 19:05:27

47

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Deriving $\frac{\cos(n+1)\varphi\sin n\varphi}{\sin\varphi}$?

Published on 16 Sep 2018 - 19:05

score 146 · Answer 2 · 2018-09-16 23:03:49

146

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How do I solve : $\lim \limits_{x\to0}\frac{6\sin x}{x-3\tan x}$

Published on 16 Sep 2018 - 23:03

score 82 · Answer 3 · 2026-03-31 09:54:21

82

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How do I find a function for a known graph? Is there a reverse grapher?

Published on 31 Mar 2026 - 9:54

score 78 · Answer 4 · 2018-09-17 02:39:23

78

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How many solutions to $z^{6!}-z^{5!}\in \mathbb{R}$ and $|z|=1$

Published on 17 Sep 2018 - 2:39

score 111 · Answer 5 · 2026-04-09 03:55:26

111

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How much do I have to rotate an object around X, Y, Z in order to make it parallel to a line

Published on 09 Apr 2026 - 3:55

score 270 · Answer 6 · 2018-09-17 07:36:01

270

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Finding all possible values of $x, y$ satisfying $\sin^2x + 4 \sin^2y - \sin x - 2\sin y - 2\sin x\sin y + 1 = 0$.

Published on 17 Sep 2018 - 7:36

score 42 · Answer 7 · 2018-09-17 16:28:58

42

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Coordinates of point on circle certain number of degrees away from other point

Published on 17 Sep 2018 - 16:28

score 289 · Answer 8 · 2026-03-26 00:52:50

289

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Period of periodic functions

Published on 26 Mar 2026 - 0:52

score 73 · Answer 9 · 2026-04-08 17:49:57

73

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How do you evaluate this trigonometric sum?

Published on 08 Apr 2026 - 17:49

score 101 · Answer 10 · 2026-03-25 04:41:04

101

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Arc length of a point on ellipse from the vertex

Published on 25 Mar 2026 - 4:41

score 26 · Answer 11 · 2026-03-26 01:00:19

26

Views

cosine in rotation computation

Published on 26 Mar 2026 - 1:00

score 526 · Answer 12 · 2026-03-25 23:58:38

526

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Infinite sum of reciprocals of squares of lengths of tangents from origin to the curve $y=\sin x$

Published on 25 Mar 2026 - 23:58

score 82 · Answer 13 · 2018-09-18 18:14:26

82

Views

Finding sum of $\sum^{17}_{x=1}\frac{1}{1+\cot^{4}(10^\circ x)}$

Published on 18 Sep 2018 - 18:14

score 1.2k · Answer 14 · 2026-04-08 23:55:43

1.2k

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Explanation of SOH CAH TOA

Published on 08 Apr 2026 - 23:55

score 381 · Answer 15 · 2026-03-25 11:32:30

381

Views

Use Mean Value Theorem to Determine if an Initial Value Problem Has a Solution (Lipschitz)

Published on 25 Mar 2026 - 11:32

List Question

Deriving $\frac{\cos(n+1)\varphi\sin n\varphi}{\sin\varphi}$?

How do I solve : $\lim \limits_{x\to0}\frac{6\sin x}{x-3\tan x}$

How do I find a function for a known graph? Is there a reverse grapher?

How many solutions to $z^{6!}-z^{5!}\in \mathbb{R}$ and $|z|=1$

How much do I have to rotate an object around X, Y, Z in order to make it parallel to a line

Finding all possible values of $x, y$ satisfying $\sin^2x + 4 \sin^2y - \sin x - 2\sin y - 2\sin x\sin y + 1 = 0$.

Coordinates of point on circle certain number of degrees away from other point

Period of periodic functions

How do you evaluate this trigonometric sum?

Arc length of a point on ellipse from the vertex

cosine in rotation computation

Infinite sum of reciprocals of squares of lengths of tangents from origin to the curve $y=\sin x$

Finding sum of $\sum^{17}_{x=1}\frac{1}{1+\cot^{4}(10^\circ x)}$

Explanation of SOH CAH TOA

Use Mean Value Theorem to Determine if an Initial Value Problem Has a Solution (Lipschitz)

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