Question

Proving $\frac{p}{\sin x+n\cos x}=\frac{p\csc(\arctan(n)+x)\sin(\arctan(n))}{ n}$

score 59 · Answer 1 · 2026-03-27 23:35:30

59

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Proving $\frac{p}{\sin x+n\cos x}=\frac{p\csc(\arctan(n)+x)\sin(\arctan(n))}{ n}$

Published on 27 Mar 2026 - 23:35

score 69 · Answer 2 · 2026-03-25 03:20:44

69

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What happens if I have an essential singularity and a pole for the same $z$?

Published on 25 Mar 2026 - 3:20

score 176 · Answer 3 · 2026-03-25 13:56:27

176

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Given $t = \tan \frac{\theta}{2}$, show $\sin \theta = \frac{2t}{1+t^2}$

Published on 25 Mar 2026 - 13:56

score 763 · Answer 4 · 2018-07-29 20:19:04

763

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If $k\sin x\cos x=\sin(kx)$ is an identity for all $x$, then what is the smallest value of $k$?

Published on 29 Jul 2018 - 20:19

score 702 · Answer 5 · 2026-03-26 06:30:55

702

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Integration of $\frac{1}{x^2-a^2}$ by trigonometric substitution?

Published on 26 Mar 2026 - 6:30

score 752 · Answer 6 · 2018-07-30 08:07:51

752

Views

Sine function - getting coordinates from the graph.

Published on 30 Jul 2018 - 8:07

score 65 · Answer 7 · 2018-07-30 08:21:07

How to use the trigonometric identity $\cos(2A)=1-2\sin^2(A)$ to show that $\sin\left(\frac{\pi}{12}\right)=\sqrt{\frac{1}{2} - \frac{\sqrt{3}}{4}}$

score 205 · Answer 8 · 2018-07-30 13:48:56

Finding the value of $\tan\theta \tan(\theta+60^\circ)+\tan\theta \tan(\theta-60^\circ)+\tan(\theta + 60^\circ) \tan(\theta-60^\circ) + 3$

score 454 · Answer 9 · 2018-07-30 15:04:52

454

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Trigonometry : Find the value of $\csc^2 \pi/7 + \csc^2 2\pi/7 + \csc^2 3\pi/7$

Published on 30 Jul 2018 - 15:04

score 2k · Answer 10 · 2026-03-29 23:27:02

2k

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How to calculate the distance of the circumcenter to one of the sides of a triangle inscribed in a circle?

Published on 29 Mar 2026 - 23:27

score 1k · Answer 11 · 2018-07-30 20:14:57

1k

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Evaluating $\lim_{x\to0} \frac{\cos x - \cos 3x}{\sin 3x^2 - \sin x^2}$

Published on 30 Jul 2018 - 20:14

score 127 · Answer 12 · 2026-03-25 03:19:45

127

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Determine whether the given series is absolutely convergent or conditionally convergent

Published on 25 Mar 2026 - 3:19

score 634 · Answer 13 · 2018-07-31 06:15:35

634

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How do I integrate $\sin\theta + \sin\theta \tan^2\theta$?

Published on 31 Jul 2018 - 6:15

score 1k · Answer 14 · 2026-03-25 07:32:21

1k

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Modeling Real World Situations / Trigonometric Functions

Published on 25 Mar 2026 - 7:32

score 57 · Answer 15 · 2018-07-31 17:46:51

57

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How do you express trigonometric identites in simplest form, e.g. $\frac{2\sec(x)}{\tan^2(x)}$?

Published on 31 Jul 2018 - 17:46

List Question

Proving $\frac{p}{\sin x+n\cos x}=\frac{p\csc(\arctan(n)+x)\sin(\arctan(n))}{ n}$

What happens if I have an essential singularity and a pole for the same $z$?

Given $t = \tan \frac{\theta}{2}$, show $\sin \theta = \frac{2t}{1+t^2}$

If $k\sin x\cos x=\sin(kx)$ is an identity for all $x$, then what is the smallest value of $k$?

Integration of $\frac{1}{x^2-a^2}$ by trigonometric substitution?

Sine function - getting coordinates from the graph.

How to use the trigonometric identity $\cos(2A)=1-2\sin^2(A)$ to show that $\sin\left(\frac{\pi}{12}\right)=\sqrt{\frac{1}{2} - \frac{\sqrt{3}}{4}}$

Finding the value of $\tan\theta \tan(\theta+60^\circ)+\tan\theta \tan(\theta-60^\circ)+\tan(\theta + 60^\circ) \tan(\theta-60^\circ) + 3$

Trigonometry : Find the value of $\csc^2 \pi/7 + \csc^2 2\pi/7 + \csc^2 3\pi/7$

How to calculate the distance of the circumcenter to one of the sides of a triangle inscribed in a circle?

Evaluating $\lim_{x\to0} \frac{\cos x - \cos 3x}{\sin 3x^2 - \sin x^2}$

Determine whether the given series is absolutely convergent or conditionally convergent

How do I integrate $\sin\theta + \sin\theta \tan^2\theta$?

Modeling Real World Situations / Trigonometric Functions

How do you express trigonometric identites in simplest form, e.g. $\frac{2\sec(x)}{\tan^2(x)}$?

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