Question

Analogous "Dark Sector" Trigonometric (and Hyperbolic) Functions

score 159 · Answer 1 · 2026-04-13 20:02:10

159

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Analogous "Dark Sector" Trigonometric (and Hyperbolic) Functions

Published on 13 Apr 2026 - 20:02

score 57 · Answer 2 · 2026-04-11 23:07:00

57

Views

Prove that this function is periodic.

Published on 11 Apr 2026 - 23:07

score 112 · Answer 3 · 2026-04-14 18:57:51

112

Views

Solve the equation $y''\sin t-2y'\cos t-y\sin t=0$

Published on 14 Apr 2026 - 18:57

score 272 · Answer 4 · 2026-04-14 21:44:02

272

Views

Is it possible get an algebraic expression for $\sin 1°$ that does not contain roots of negative values?

Published on 14 Apr 2026 - 21:44

score 285 · Answer 5 · 2026-04-14 02:33:13

285

Views

Find zeros of general sum of sin functions

Published on 14 Apr 2026 - 2:33

score 3.8k · Answer 6 · 2026-04-14 04:51:49

3.8k

Views

What does it mean to multiply two sine waves together

Published on 14 Apr 2026 - 4:51

score 273 · Answer 7 · 2026-04-14 10:12:09

273

Views

What is the value of $\operatorname{arctan} \left(-\frac{12}{5}\right)$?

Published on 14 Apr 2026 - 10:12

score 1k · Answer 8 · 2026-04-14 09:11:43

1k

Views

$\sum\limits_{n=1}^{\infty}\arctan{\frac{2}{n^2+n+4}}$

Published on 14 Apr 2026 - 9:11

score 96 · Answer 9 · 2026-04-17 07:58:16

96

Views

Solve $\frac{dx}{dy}+\frac{x}{\sqrt{x^2+y^2}}=y$

Published on 17 Apr 2026 - 7:58

score 97 · Answer 10 · 2026-04-10 16:33:51

97

Views

Stuck on Rudin's Statement on the Zeros of Cosine Function

Published on 10 Apr 2026 - 16:33

score 109 · Answer 11 · 2026-04-13 09:52:45

109

Views

Is there a well known geometrical interpretation of the power reducing formula for $\sin^2 \theta?$

Published on 13 Apr 2026 - 9:52

score 64 · Answer 12 · 2026-04-08 22:07:15

64

Views

How can you solve and equation with inverse functions?

Published on 08 Apr 2026 - 22:07

score 2.4k · Answer 13 · 2026-04-15 11:03:15

2.4k

Views

sin(A+B) if cos(A) = 3/5 and sin(B) = -4/5 and A is in QI and B is in QIII

Published on 15 Apr 2026 - 11:03

score 85 · Answer 14 · 2026-04-16 05:16:53

85

Views

$\sin(\frac{2\pi j}{m})^{2}$ is distinct for all $j=1,..., \frac{m-1}{2}$

Published on 16 Apr 2026 - 5:16

score 405 · Answer 15 · 2026-04-12 16:06:35

405

Views

closed form expression for $\sin 10^o$?

Published on 12 Apr 2026 - 16:06

List Question

Analogous "Dark Sector" Trigonometric (and Hyperbolic) Functions

Prove that this function is periodic.

Solve the equation $y''\sin t-2y'\cos t-y\sin t=0$

Is it possible get an algebraic expression for $\sin 1°$ that does not contain roots of negative values?

Find zeros of general sum of sin functions

What does it mean to multiply two sine waves together

What is the value of $\operatorname{arctan} \left(-\frac{12}{5}\right)$?

$\sum\limits_{n=1}^{\infty}\arctan{\frac{2}{n^2+n+4}}$

Solve $\frac{dx}{dy}+\frac{x}{\sqrt{x^2+y^2}}=y$

Stuck on Rudin's Statement on the Zeros of Cosine Function

Is there a well known geometrical interpretation of the power reducing formula for $\sin^2 \theta?$

How can you solve and equation with inverse functions?

sin(A+B) if cos(A) = 3/5 and sin(B) = -4/5 and A is in QI and B is in QIII

$\sin(\frac{2\pi j}{m})^{2}$ is distinct for all $j=1,..., \frac{m-1}{2}$

closed form expression for $\sin 10^o$?

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