Question

Difficult trigonometric integral. [Solved]

score 1.8k · Answer 1 · 2026-03-25 16:20:44

1.8k

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Difficult trigonometric integral. [Solved]

Published on 25 Mar 2026 - 16:20

score 359 · Answer 2 · 2018-08-19 12:39:15

359

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Solve the equation $\frac{\sqrt {3}}{2}\sin(x) -\cos x=\cos^2x$

Published on 19 Aug 2018 - 12:39

score 229 · Answer 3 · 2018-08-19 13:43:11

229

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Prove that $\frac{1+2\sin{\theta}\cos{\theta}}{\cos^2{\theta}-\sin^2{\theta}}=\frac{1+\tan{\theta}}{1-\tan{\theta}}$

Published on 19 Aug 2018 - 13:43

score 923 · Answer 4 · 2018-08-20 06:28:52

923

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Proving $\frac{\sin 30^\circ}{\sin 50^\circ}= \frac{\sin 40^\circ}{\sin 80^\circ}$

Published on 20 Aug 2018 - 6:28

score 58 · Answer 5 · 2026-03-27 16:12:29

58

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Regarding geographic area bounded by 3 lines

Published on 27 Mar 2026 - 16:12

score 172 · Answer 6 · 2026-03-25 07:53:19

172

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Solve $8\sin x=\frac{\sqrt{3}}{\cos x}+\frac{1}{\sin x}$

Published on 25 Mar 2026 - 7:53

score 667 · Answer 7 · 2026-03-27 11:47:58

667

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How to project a 3D-point on a 2D-plane relative to an observer?

Published on 27 Mar 2026 - 11:47

score 89 · Answer 8 · 2018-08-20 23:46:10

Number of solutions to $\cos\left(A \cos\left(\frac{s}{A} \right)\right) = \sin\left(A \cos\left(\frac{s}{A} \right)\right)$

score 1k · Answer 9 · 2026-03-25 15:49:48

1k

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Finding the perpendicular distance from a force to a point

Published on 25 Mar 2026 - 15:49

score 623 · Answer 10 · 2026-03-25 07:44:44

623

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Can you find $2$ sides of a quadrilateral with $2$ sides and all $4$ angles?

Published on 25 Mar 2026 - 7:44

score 193 · Answer 11 · 2026-04-08 17:04:46

193

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Bounds of rotated egg?

Published on 08 Apr 2026 - 17:04

score 58 · Answer 12 · 2018-08-21 16:23:19

58

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Confused by Question on new A Level Maths Sample Paper

Published on 21 Aug 2018 - 16:23

score 116 · Answer 13 · 2026-02-23 06:38:08

116

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How can I transform one equation about cycloidal cams to another via trigonometry? Does the author makes any assumptions on this?

Published on 23 Feb 2026 - 6:38

score 7.8k · Answer 14 · 2018-08-21 18:18:33

7.8k

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A cable of 80 meters (m) is hanging from the top of two poles that are both 50 m from the ground. What is the distance between the two poles

Published on 21 Aug 2018 - 18:18

score 319 · Answer 15 · 2026-04-01 13:42:54

319

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How do I express x in terms of y in this set of equations?

Published on 01 Apr 2026 - 13:42

List Question

Difficult trigonometric integral. [Solved]

Solve the equation $\frac{\sqrt {3}}{2}\sin(x) -\cos x=\cos^2x$

Prove that $\frac{1+2\sin{\theta}\cos{\theta}}{\cos^2{\theta}-\sin^2{\theta}}=\frac{1+\tan{\theta}}{1-\tan{\theta}}$

Proving $\frac{\sin 30^\circ}{\sin 50^\circ}= \frac{\sin 40^\circ}{\sin 80^\circ}$

Regarding geographic area bounded by 3 lines

Solve $8\sin x=\frac{\sqrt{3}}{\cos x}+\frac{1}{\sin x}$

How to project a 3D-point on a 2D-plane relative to an observer?

Number of solutions to $\cos\left(A \cos\left(\frac{s}{A} \right)\right) = \sin\left(A \cos\left(\frac{s}{A} \right)\right)$

Finding the perpendicular distance from a force to a point

Can you find $2$ sides of a quadrilateral with $2$ sides and all $4$ angles?

Bounds of rotated egg?

Confused by Question on new A Level Maths Sample Paper

How can I transform one equation about cycloidal cams to another via trigonometry? Does the author makes any assumptions on this?

A cable of 80 meters (m) is hanging from the top of two poles that are both 50 m from the ground. What is the distance between the two poles

How do I express x in terms of y in this set of equations?

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