User tryst with freedom

11 votes

What is a differential form?

answered Jun 25, 2021 at 22:30

10 votes

Why and How do certain manipulations in indefinite integrals "just work"?

answered Aug 10, 2021 at 20:19

9 votes

Approaching Type theory and Category Theory as a starting point in the study of mathematics?

answered Apr 1 at 10:18

8 votes

Prove this formula $\frac{1-r\cos(x)}{1-2r\cos(x)+r^2}= 1+\sum_{n=1}^{+\infty}r^{n}\cos\left(nx\right)$

answered Jan 27, 2021 at 22:43

7 votes

How to reconcile two approaches to the Gaussian curvature

answered May 23, 2022 at 22:09

7 votes

Accepted

Generalised circles in the context of Moebius transformations

answered May 30, 2022 at 22:01

7 votes

Accepted

Matrix with given condition $a+b+c+d=0$

answered Oct 1, 2020 at 11:54

6 votes

Accepted

Incorrect reasoning during Taylor series derivation?

answered May 28 at 5:43

6 votes

How can we sum up $\sin$ and $\cos$ series when the angles are in arithmetic progression?

answered Nov 11, 2020 at 17:38

6 votes

Accepted

Order and degree of a differential equation

answered Feb 21, 2021 at 14:41

6 votes

Accepted

Circle passing through two points and tangent to a line

answered May 10, 2021 at 11:14

5 votes

What is the relation between the high school definition of a vector and the abstract algebra definition?

answered Jul 31, 2022 at 7:45

5 votes

Why is gradient a vector?

answered Feb 14, 2022 at 19:26

5 votes

Accepted

Show that $4\leq |z+3|+|z^2-z+4|\leq 11$ where $|z|=2$

answered Apr 5, 2022 at 7:00

5 votes

How to solve this integral $I = \int\dfrac{\cos^3x}{\sin x + \cos x}dx$?

answered Oct 9, 2020 at 10:16

5 votes

How can I "see" that calculus works for multidimensional problems?

answered Jan 27, 2021 at 21:49

5 votes

Intuitive definitions of the Orbit and the Stabilizer

answered Mar 12, 2022 at 23:42

4 votes

Accepted

In the definition of linear map, is the symbol $+$ overloaded?

answered Feb 12, 2022 at 20:18

4 votes

Books on geometric algebra.

answered Sep 12, 2021 at 19:41

4 votes

If differential are covectors, what is the geometric meaning of the exterior derivative of covectors?

answered Jul 9, 2022 at 3:48

4 votes

Number of solutions of $|\log_e{|x-2|}|+x^2-2x-35=0$

answered Aug 20, 2022 at 9:17

4 votes

How do I stop overcomplicating proofs?

answered Oct 6, 2022 at 20:18

4 votes

Why do we need a Lie derivative of a vector field?

answered Aug 17, 2022 at 12:48

4 votes

Accepted

Can $(f(x_{n}))$ always has a Cauchy subsequence?

answered Aug 17, 2022 at 7:09

4 votes

Finding circle tangent to a line and intersecting a given point

answered May 6 at 8:03

4 votes

Computing the indefinite integral $\int x^n \sin x\,dx$

answered Apr 3, 2021 at 21:18

4 votes

Constructing a polynomial with integer coefficient's sharing roots with another two polynomials

answered Jul 5, 2021 at 11:00

3 votes

Accepted

Differentiability of a piecewise defined discontinuous function

answered Jun 28, 2022 at 19:36

3 votes

Is a hyper-plane uniquely defined by a single normal vector?

answered Jun 22, 2022 at 16:09

3 votes

Accepted

"Something does not depend on a particular coordinate system". What is the meaning of this sentence?

answered Aug 9, 2021 at 4:09

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376 Answers

What is a differential form?

Why and How do certain manipulations in indefinite integrals "just work"?

Approaching Type theory and Category Theory as a starting point in the study of mathematics?

Prove this formula $\frac{1-r\cos(x)}{1-2r\cos(x)+r^2}= 1+\sum_{n=1}^{+\infty}r^{n}\cos\left(nx\right)$

How to reconcile two approaches to the Gaussian curvature

Generalised circles in the context of Moebius transformations

Matrix with given condition $a+b+c+d=0$

Incorrect reasoning during Taylor series derivation?

How can we sum up $\sin$ and $\cos$ series when the angles are in arithmetic progression?

Order and degree of a differential equation

Circle passing through two points and tangent to a line

What is the relation between the high school definition of a vector and the abstract algebra definition?

Why is gradient a vector?

Show that $4\leq |z+3|+|z^2-z+4|\leq 11$ where $|z|=2$

How to solve this integral $I = \int\dfrac{\cos^3x}{\sin x + \cos x}dx$?

How can I "see" that calculus works for multidimensional problems?

Intuitive definitions of the Orbit and the Stabilizer

In the definition of linear map, is the symbol $+$ overloaded?

Books on geometric algebra.

If differential are covectors, what is the geometric meaning of the exterior derivative of covectors?

Number of solutions of $|\log_e{|x-2|}|+x^2-2x-35=0$

How do I stop overcomplicating proofs?

Why do we need a Lie derivative of a vector field?

Can $(f(x_{n}))$ always has a Cauchy subsequence?

Finding circle tangent to a line and intersecting a given point

Computing the indefinite integral $\int x^n \sin x\,dx$

Constructing a polynomial with integer coefficient's sharing roots with another two polynomials

Differentiability of a piecewise defined discontinuous function

Is a hyper-plane uniquely defined by a single normal vector?

"Something does not depend on a particular coordinate system". What is the meaning of this sentence?