Question

Minimum and Maximum range of $\frac{\cot A+\cot B}{\sin^2C} + \frac{2\cot B+2\cot C}{\sin^2 A} - \frac{3\cot C+3\cot A}{\sin^2 B} $

score 45 · Answer 1 · 2026-04-15 12:56:01

45

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Minimum and Maximum range of $\frac{\cot A+\cot B}{\sin^2C} + \frac{2\cot B+2\cot C}{\sin^2 A} - \frac{3\cot C+3\cot A}{\sin^2 B} $

Published on 15 Apr 2026 - 12:56

score 68 · Answer 2 · 2026-03-26 02:53:05

68

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Solutions to differential equations

Published on 26 Mar 2026 - 2:53

score 84 · Answer 3 · 2026-04-14 17:54:45

84

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What is the range of $g(x)=\cos^{2n+1}(x)+\sin^{2n+1}(x)?$

Published on 14 Apr 2026 - 17:54

score 11.6k · Answer 4 · 2026-04-16 20:45:36

11.6k

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$\cos^2 \alpha + \cos^2 \beta + \cos^2 \gamma =1$

Published on 16 Apr 2026 - 20:45

score 26 · Answer 5 · 2026-04-15 05:17:41

26

Views

Clarification about domains of inverse trigonometric functions

Published on 15 Apr 2026 - 5:17

score 13.3k · Answer 6 · 2026-04-16 17:42:18

13.3k

Views

Why does $\sin(90 + x) = \cos(x)$ and $\sin(90 - x) = \cos(x)$?

Published on 16 Apr 2026 - 17:42

score 235 · Answer 7 · 2026-04-12 21:25:29

235

Views

Can magnitude of sum of three unit vectors be complex?

Published on 12 Apr 2026 - 21:25

score 206 · Answer 8 · 2026-04-19 12:19:13

206

Views

Finding $\sin^2\alpha+\sin^2\beta+\sin^2\gamma$ given $\sin \alpha+\sin \beta+\sin\gamma=0=\cos\alpha+\cos\beta+\cos\gamma$

Published on 19 Apr 2026 - 12:19

score 2.4k · Answer 9 · 2026-04-14 15:39:03

2.4k

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General solution of $\tan (2x)\tan (x)=1$

Published on 14 Apr 2026 - 15:39

score 473 · Answer 10 · 2026-04-12 20:34:01

473

Views

Minimal polynomial of $\cos(72°)$ over $\Bbb Q$

Published on 12 Apr 2026 - 20:34

score 38 · Answer 11 · 2026-04-11 13:43:46

38

Views

Clubbing together of solutions

Published on 11 Apr 2026 - 13:43

score 110 · Answer 12 · 2026-04-14 17:12:19

110

Views

Simplifying $\sqrt\frac{\left(a^2\cos^2t+b^2\sin^2t\right)^3}{\left(b^2\cos^2t+a^2\sin^2t\right)^3}$

Published on 14 Apr 2026 - 17:12

score 174 · Answer 13 · 2026-04-17 04:43:51

174

Views

Showing $\lim_{x \to 0}\frac{\sin x}{x}=1$ with epsilon-delta

Published on 17 Apr 2026 - 4:43

score 57 · Answer 14 · 2026-04-18 17:54:30

57

Views

How should I calculate this expression?

Published on 18 Apr 2026 - 17:54

score 69 · Answer 15 · 2026-04-15 08:06:04

69

Views

$A\sin(\omega t - kx)$

Published on 15 Apr 2026 - 8:06

List Question

Minimum and Maximum range of $\frac{\cot A+\cot B}{\sin^2C} + \frac{2\cot B+2\cot C}{\sin^2 A} - \frac{3\cot C+3\cot A}{\sin^2 B} $

Solutions to differential equations

What is the range of $g(x)=\cos^{2n+1}(x)+\sin^{2n+1}(x)?$

$\cos^2 \alpha + \cos^2 \beta + \cos^2 \gamma =1$

Clarification about domains of inverse trigonometric functions

Why does $\sin(90 + x) = \cos(x)$ and $\sin(90 - x) = \cos(x)$?

Can magnitude of sum of three unit vectors be complex?

Finding $\sin^2\alpha+\sin^2\beta+\sin^2\gamma$ given $\sin \alpha+\sin \beta+\sin\gamma=0=\cos\alpha+\cos\beta+\cos\gamma$

General solution of $\tan (2x)\tan (x)=1$

Minimal polynomial of $\cos(72°)$ over $\Bbb Q$

Clubbing together of solutions

Simplifying $\sqrt\frac{\left(a^2\cos^2t+b^2\sin^2t\right)^3}{\left(b^2\cos^2t+a^2\sin^2t\right)^3}$

Showing $\lim_{x \to 0}\frac{\sin x}{x}=1$ with epsilon-delta

How should I calculate this expression?

$A\sin(\omega t - kx)$

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