Question

Which harmonics can be used to reduce the amplitude of the fundamental waveform?

score 39 · Answer 1 · 2026-04-10 01:37:20

39

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Which harmonics can be used to reduce the amplitude of the fundamental waveform?

Published on 10 Apr 2026 - 1:37

score 64 · Answer 2 · 2026-04-11 22:39:14

64

Views

Finding limit without using the l'Hopital theorem

Published on 11 Apr 2026 - 22:39

score 856 · Answer 3 · 2026-03-27 18:27:47

856

Views

Find complex number representing circumcentre and orthocentre of a triangle with vertices represented by complex number z1, z2, z3?

Published on 27 Mar 2026 - 18:27

score 1.3k · Answer 4 · 2026-04-11 10:36:13

1.3k

Views

How would you integrate the trignometric integral function Si(x)?

Published on 11 Apr 2026 - 10:36

score 384 · Answer 5 · 2026-04-11 11:49:32

384

Views

How would you integrate $\frac{Si(x)}{x}$?

Published on 11 Apr 2026 - 11:49

score 148 · Answer 6 · 2018-10-22 13:44:39

148

Views

What is the ratio of $\tan 37° / \tan 54°$?

Published on 22 Oct 2018 - 13:44

score 591 · Answer 7 · 2026-03-27 20:21:03

591

Views

Given the coordinates of a box, how can I find the coordinates of a box that is X% bigger than the original box

Published on 27 Mar 2026 - 20:21

score 32 · Answer 8 · 2026-04-11 01:31:35

32

Views

Solving a system of question involving sine

Published on 11 Apr 2026 - 1:31

score 244 · Answer 9 · 2018-10-22 17:38:05

A quadrilateral $ABCD$ of area ${3√3\over 4}$ is inscribed in a unit circle. If $AB=1$ and the diagonal $BD=√3$, find lengths of other sides

score 221 · Answer 10 · 2018-10-22 18:31:13

221

Views

Radius of circle inside a funnel

Published on 22 Oct 2018 - 18:31

score 71 · Answer 11 · 2026-03-25 20:35:26

71

Views

$1 + \cos2C - \cos2A - \cos2B=4\sin A\sin B\sin C$.

Published on 25 Mar 2026 - 20:35

score 1k · Answer 12 · 2018-10-23 08:04:54

1k

Views

Simplify $\arcsin (\cos (2x)), 0 \leq x \leq (\pi/2)$.

Published on 23 Oct 2018 - 8:04

score 119 · Answer 13 · 2018-10-23 10:19:57

119

Views

Find $\tan(x+y)$ given $\sin x=3\sin(x+2y)$

Published on 23 Oct 2018 - 10:19

score 92 · Answer 14 · 2018-10-23 11:58:13

92

Views

Integrating $\int_{-\pi}^{\pi}\frac{-8 (\theta - cos\lambda)^3}{(1-2\theta cos\lambda +\theta^2)^3}d\lambda$

Published on 23 Oct 2018 - 11:58

score 84 · Answer 15 · 2018-10-23 12:22:14

If $\sin 135^\circ=\sqrt{1-y^2}$ and $\cos 60^\circ=\sqrt{1-x^2}$, find $\cos 67.5^\circ$ and $\sin 120^\circ$ in terms of $x$ and/or $y$

List Question

Which harmonics can be used to reduce the amplitude of the fundamental waveform?

Finding limit without using the l'Hopital theorem

Find complex number representing circumcentre and orthocentre of a triangle with vertices represented by complex number z1, z2, z3?

How would you integrate the trignometric integral function Si(x)?

How would you integrate $\frac{Si(x)}{x}$?

What is the ratio of $\tan 37° / \tan 54°$?

Given the coordinates of a box, how can I find the coordinates of a box that is X% bigger than the original box

Solving a system of question involving sine

A quadrilateral $ABCD$ of area ${3√3\over 4}$ is inscribed in a unit circle. If $AB=1$ and the diagonal $BD=√3$, find lengths of other sides

Radius of circle inside a funnel

$1 + \cos2C - \cos2A - \cos2B=4\sin A\sin B\sin C$.

Simplify $\arcsin (\cos (2x)), 0 \leq x \leq (\pi/2)$.

Find $\tan(x+y)$ given $\sin x=3\sin(x+2y)$

Integrating $\int_{-\pi}^{\pi}\frac{-8 (\theta - cos\lambda)^3}{(1-2\theta cos\lambda +\theta^2)^3}d\lambda$

If $\sin 135^\circ=\sqrt{1-y^2}$ and $\cos 60^\circ=\sqrt{1-x^2}$, find $\cos 67.5^\circ$ and $\sin 120^\circ$ in terms of $x$ and/or $y$

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