Question

Absolute value in trigonometric inequality $\left|\sin (2x)\right|\le \frac{\sqrt 2}2$

score 143 · Answer 1 · 2020-10-11 13:39:18

143

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Absolute value in trigonometric inequality $\left|\sin (2x)\right|\le \frac{\sqrt 2}2$

Published on 11 Oct 2020 - 13:39

score 85 · Answer 2 · 2026-03-25 15:52:41

85

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Is there a way to simplify $\Big|\;|x+y|+|x-y|+z\;\Big|+\Big|\;|x+y|+|x-y|-z\;\Big|=r$?

Published on 25 Mar 2026 - 15:52

score 181 · Answer 3 · 2026-04-01 07:22:28

181

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Double Integral with absolute value.

Published on 01 Apr 2026 - 7:22

score 18 · Answer 4 · 2026-03-18 11:50:53

18

Views

Find the value of x where f(x)=max(|Px|,|Py|,|Pz|), where P=(V1+(V2−V1)x) returns the smallest value

Published on 18 Mar 2026 - 11:50

score 909 · Answer 5 · 2020-10-14 10:29:13

909

Views

Range of $f(z)=|1+z|+|1-z+z^2|$ when $ |z|=1$

Published on 14 Oct 2020 - 10:29

score 61 · Answer 6 · 2026-03-30 00:20:15

61

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Sum of nth root of unity implies everything equals 1

Published on 30 Mar 2026 - 0:20

score 39 · Answer 7 · 2020-10-18 06:13:42

39

Views

When calculating the percent error where does the absolute value bar go?

Published on 18 Oct 2020 - 6:13

score 976 · Answer 8 · 2020-10-18 06:35:59

976

Views

Prove that $|1/x| = 1/|x|$

Published on 18 Oct 2020 - 6:35

score 37 · Answer 9 · 2020-10-19 20:21:27

37

Views

Relationship between modulus (absolute value) and algebraic norm.

Published on 19 Oct 2020 - 20:21

score 233 · Answer 10 · 2026-04-04 03:55:44

233

Views

Derivative of $\left | x-\left \lfloor x+1 \right \rfloor \right |$ at $x = 1.5$?

Published on 04 Apr 2026 - 3:55

score 64 · Answer 11 · 2020-10-21 02:33:11

64

Views

How do I solve for this normal distribution variable mathematically and in R?

Published on 21 Oct 2020 - 2:33

score 65 · Answer 12 · 2026-04-04 03:52:49

65

Views

Solving $\left\lfloor\;|x+1|-|x|\;\right\rfloor \geq x^2$

Published on 04 Apr 2026 - 3:52

score 44 · Answer 13 · 2020-10-21 20:12:49

44

Views

Is this function injective,surjective?

Published on 21 Oct 2020 - 20:12

score 86 · Answer 14 · 2020-10-22 03:26:54

86

Views

How do I turn an inequality involving only |a| and |b| into an inequality involving |b + a| and |b - a|?

Published on 22 Oct 2020 - 3:26

score 199 · Answer 15 · 2026-03-27 23:28:09

199

Views

Fourier-Legendre series - Need answers for all 5 question marks

Published on 27 Mar 2026 - 23:28

List Question

Absolute value in trigonometric inequality $\left|\sin (2x)\right|\le \frac{\sqrt 2}2$

Is there a way to simplify $\Big|\;|x+y|+|x-y|+z\;\Big|+\Big|\;|x+y|+|x-y|-z\;\Big|=r$?

Double Integral with absolute value.

Find the value of x where f(x)=max(|Px|,|Py|,|Pz|), where P=(V1+(V2−V1)x) returns the smallest value

Range of $f(z)=|1+z|+|1-z+z^2|$ when $ |z|=1$

Sum of nth root of unity implies everything equals 1

When calculating the percent error where does the absolute value bar go?

Prove that $|1/x| = 1/|x|$

Relationship between modulus (absolute value) and algebraic norm.

Derivative of $\left | x-\left \lfloor x+1 \right \rfloor \right |$ at $x = 1.5$?

How do I solve for this normal distribution variable mathematically and in R?

Solving $\left\lfloor\;|x+1|-|x|\;\right\rfloor \geq x^2$

Is this function injective,surjective?

How do I turn an inequality involving only |a| and |b| into an inequality involving |b + a| and |b - a|?

Fourier-Legendre series - Need answers for all 5 question marks

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