Question

Integrate $\int \frac{dx}{\sqrt{\sin^3x\sin(x+\alpha)}}$

score 735 · Answer 1 · 2026-03-25 21:01:23

735

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Integrate $\int \frac{dx}{\sqrt{\sin^3x\sin(x+\alpha)}}$

Published on 25 Mar 2026 - 21:01

score 274 · Answer 2 · 2026-03-25 17:34:07

274

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Using characteristic functions to show trigonometric equalty

Published on 25 Mar 2026 - 17:34

score 116 · Answer 3 · 2018-05-22 13:50:48

116

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Compute: $\arcsin x+ \arctan \frac{\sqrt{1-x^2}}{x}$

Published on 22 May 2018 - 13:50

score 274 · Answer 4 · 2018-05-22 14:51:37

274

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To prove $ (\sin x)/x=\cos(x/2)×\cos(x/4)×\cos(x/8)......$

Published on 22 May 2018 - 14:51

score 73 · Answer 5 · 2026-03-28 23:19:37

73

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Finite Sum of Power of Cosine Function

Published on 28 Mar 2026 - 23:19

score 2.1k · Answer 6 · 2026-03-25 22:04:50

2.1k

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How to find lim $(\tan x)^{\tan(2x)}$, $x\to\pi/2.$

Published on 25 Mar 2026 - 22:04

score 353 · Answer 7 · 2026-04-04 01:51:50

353

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Trigonometric Inequality $\sin (2x) \gt \sqrt 2 \sin (x)$

Published on 04 Apr 2026 - 1:51

score 139 · Answer 8 · 2018-05-23 03:21:51

139

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What is wrong with my trivial solution to finding a cubic polynomial with roots $\cos{2\pi/7}$, $\cos{4\pi/7}$, $\cos{6\pi/7}$?

Published on 23 May 2018 - 3:21

score 1.2k · Answer 9 · 2026-03-25 20:53:12

1.2k

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Eccentricity of ellipse in terms of eccentric angles of extremities of focal chord?

Published on 25 Mar 2026 - 20:53

score 526 · Answer 10 · 2026-03-25 14:27:04

526

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How to derive the approximation $\tan(x)\simeq \frac{x}{1-x^2/3}$

Published on 25 Mar 2026 - 14:27

score 79 · Answer 11 · 2018-05-23 12:37:01

79

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How to solve the following trigonometrical equation?

Published on 23 May 2018 - 12:37

score 304 · Answer 12 · 2026-03-25 06:29:05

304

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Integrate $\int \frac{dx}{\sqrt{(x-a)(b-x)}}$

Published on 25 Mar 2026 - 6:29

score 141 · Answer 13 · 2026-03-27 01:44:34

141

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Find right triangle vertex by 2 vertex, hypotenuse and angles

Published on 27 Mar 2026 - 1:44

score 29 · Answer 14 · 2026-03-31 16:17:28

29

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how to express $t$ using $v_0$, $\alpha$, $g$, $\theta$?

Published on 31 Mar 2026 - 16:17

score 104 · Answer 15 · 2026-03-26 01:04:36

104

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What is the value of $\operatorname{Arg}(\frac{z}{\bar{z}})$?

Published on 26 Mar 2026 - 1:04

List Question

Integrate $\int \frac{dx}{\sqrt{\sin^3x\sin(x+\alpha)}}$

Using characteristic functions to show trigonometric equalty

Compute: $\arcsin x+ \arctan \frac{\sqrt{1-x^2}}{x}$

To prove $ (\sin x)/x=\cos(x/2)×\cos(x/4)×\cos(x/8)......$

Finite Sum of Power of Cosine Function

How to find lim $(\tan x)^{\tan(2x)}$, $x\to\pi/2.$

Trigonometric Inequality $\sin (2x) \gt \sqrt 2 \sin (x)$

What is wrong with my trivial solution to finding a cubic polynomial with roots $\cos{2\pi/7}$, $\cos{4\pi/7}$, $\cos{6\pi/7}$?

Eccentricity of ellipse in terms of eccentric angles of extremities of focal chord?

How to derive the approximation $\tan(x)\simeq \frac{x}{1-x^2/3}$

How to solve the following trigonometrical equation?

Integrate $\int \frac{dx}{\sqrt{(x-a)(b-x)}}$

Find right triangle vertex by 2 vertex, hypotenuse and angles

how to express $t$ using $v_0$, $\alpha$, $g$, $\theta$?

What is the value of $\operatorname{Arg}(\frac{z}{\bar{z}})$?

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