Question

Right cone, you are at A and need to complete a revolution before reaching the bottom B. What is shortest distance AB?

score 450 · Answer 1 · 2026-04-14 05:42:13

450

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Right cone, you are at A and need to complete a revolution before reaching the bottom B. What is shortest distance AB?

Published on 14 Apr 2026 - 5:42

score 234 · Answer 2 · 2026-03-27 05:41:59

234

Views

Evaluating $ \int \frac1{5S_{8} - 9S_{10} + 7S_{12} - 2S_{14}} {\rm d}x$, where $S_n = \sin^n(x) + \cos^n(x)$

Published on 27 Mar 2026 - 5:41

score 68 · Answer 3 · 2018-12-13 14:58:32

68

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Solution for $(a\cdot x+b)\cdot \sin(x)+c\cdot \cos(x)=0$?

Published on 13 Dec 2018 - 14:58

score 677 · Answer 4 · 2026-04-14 13:17:23

677

Views

Distance between a 3D point and a vector defined by two 3D points

Published on 14 Apr 2026 - 13:17

score 337 · Answer 5 · 2026-03-25 06:04:56

337

Views

Evaluating the integral $\int_0^{\pi/4}\sqrt{1-16\sin^2(x)}\mathop{}\!\mathrm dx$

Published on 25 Mar 2026 - 6:04

score 84 · Answer 6 · 2018-12-14 05:45:02

Is there a simple function that can make sin into a line? [$\sin(f(x)) = {2x\over\pi}$ from $0$ to $\pi\over2$]

score 113 · Answer 7 · 2026-04-13 18:00:58

113

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Proving $1 - \frac{2 \vartheta}{\pi} \sin \vartheta \leq \cos \vartheta$, for $\vartheta \in [0, \frac{\pi}{2}]$

Published on 13 Apr 2026 - 18:00

score 66 · Answer 8 · 2026-04-13 07:37:55

66

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How do I transform $-2\tan x + \sec^2 x $ into the form $(a +b \tan x)^2$?

Published on 13 Apr 2026 - 7:37

score 130 · Answer 9 · 2018-12-14 11:18:21

130

Views

Least gradient value for $f(x)=e^{-2x} \tan x$

Published on 14 Dec 2018 - 11:18

score 63 · Answer 10 · 2026-04-09 01:27:07

63

Views

Using the double angle formula, it's characteristics and applications

Published on 09 Apr 2026 - 1:27

score 175 · Answer 11 · 2018-12-14 12:14:06

175

Views

If $\cos\beta = −\cos \alpha$ and $\sin \beta =−\sin \alpha $, what must be the relation between $\alpha$ and $\beta$?

Published on 14 Dec 2018 - 12:14

score 9.2k · Answer 12 · 2026-04-12 01:48:15

9.2k

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What is the equation of a half sine wave?

Published on 12 Apr 2026 - 1:48

score 91 · Answer 13 · 2026-04-14 11:42:53

91

Views

How to solve the equation $2z^{2}+i=-2$?

Published on 14 Apr 2026 - 11:42

score 109 · Answer 14 · 2026-04-12 07:40:39

109

Views

How to integrate $4\cos^2 (\theta) \sin^2 (\theta)$

Published on 12 Apr 2026 - 7:40

score 83 · Answer 15 · 2026-04-14 02:21:22

83

Views

Indefinite integral of $\ln\big(\arccos(5x)/\arcsin(3x)\big)$

Published on 14 Apr 2026 - 2:21

List Question

Right cone, you are at A and need to complete a revolution before reaching the bottom B. What is shortest distance AB?

Evaluating $ \int \frac1{5S_{8} - 9S_{10} + 7S_{12} - 2S_{14}} {\rm d}x$, where $S_n = \sin^n(x) + \cos^n(x)$

Solution for $(a\cdot x+b)\cdot \sin(x)+c\cdot \cos(x)=0$?

Distance between a 3D point and a vector defined by two 3D points

Evaluating the integral $\int_0^{\pi/4}\sqrt{1-16\sin^2(x)}\mathop{}\!\mathrm dx$

Is there a simple function that can make sin into a line? [$\sin(f(x)) = {2x\over\pi}$ from $0$ to $\pi\over2$]

Proving $1 - \frac{2 \vartheta}{\pi} \sin \vartheta \leq \cos \vartheta$, for $\vartheta \in [0, \frac{\pi}{2}]$

How do I transform $-2\tan x + \sec^2 x $ into the form $(a +b \tan x)^2$?

Least gradient value for $f(x)=e^{-2x} \tan x$

Using the double angle formula, it's characteristics and applications

If $\cos\beta = −\cos \alpha$ and $\sin \beta =−\sin \alpha $, what must be the relation between $\alpha$ and $\beta$?

What is the equation of a half sine wave?

How to solve the equation $2z^{2}+i=-2$?

How to integrate $4\cos^2 (\theta) \sin^2 (\theta)$

Indefinite integral of $\ln\big(\arccos(5x)/\arcsin(3x)\big)$

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