List questions from trigonometry

Published on 24 Mar 2026 - 23:41

41

Views

Solve $(1-n)\arctan(aW)-n\arctan(bW)=\theta $

Published on 14 Apr 2026 - 20:06

85

Views

$x \sinh2y=y \sin2x$

Published on 15 Apr 2026 - 4:03

90

Views

Find $\lim_{n\rightarrow\infty}\int_{2n\pi}^{2(n+1)\pi}x\ln x\cos x\,dx$

Published on 17 Apr 2026 - 12:26

60

Views

Problem in deriving an ordinary differential equation from a trigonometric equation

Published on 11 Apr 2026 - 10:28

95

Views

A simple design of a function f

Published on 14 Apr 2026 - 0:03

303

Views

Solution of equation in $k$, $\sin k$ and $\cos k$

Published on 25 Mar 2026 - 15:41

352

Views

Proving triangle inequality of $\sin|x-y|$ on $[0,\pi/2).$

Published on 12 Apr 2026 - 7:58

114

Views

Integrate $\int \frac{dx}{(x^2-1)^{\frac{3}{2}}}$ via trig substitution

Published on 16 Apr 2026 - 15:05

71

Views

How to find a point from where three vectors originate?

Published on 12 Apr 2026 - 12:14

624

Views

All positive solutions of $\tan x=x$

Published on 01 Apr 2026 - 12:41

118

Views

Integral $\int\limits_0^y \text{d}x \sin(a x+b/x)/x$

Published on 16 Apr 2026 - 5:38

61

Views

Trigonometric equation confusion

Published on 13 Apr 2026 - 14:41

565

Views

Solutions of $\tan(x)=-\lambda x$?

Published on 01 Apr 2026 - 7:45

302

Views

Finding an equation form of a line from a matrix

Published on 10 Apr 2026 - 1:39

List Question

Basic algebra for solving an equation, or not?

Solve $(1-n)\arctan(aW)-n\arctan(bW)=\theta $

$x \sinh2y=y \sin2x$

Find $\lim_{n\rightarrow\infty}\int_{2n\pi}^{2(n+1)\pi}x\ln x\cos x\,dx$

Problem in deriving an ordinary differential equation from a trigonometric equation

A simple design of a function f

Solution of equation in $k$, $\sin k$ and $\cos k$

Proving triangle inequality of $\sin|x-y|$ on $[0,\pi/2).$

Integrate $\int \frac{dx}{(x^2-1)^{\frac{3}{2}}}$ via trig substitution

How to find a point from where three vectors originate?

All positive solutions of $\tan x=x$

Integral $\int\limits_0^y \text{d}x \sin(a x+b/x)/x$

Trigonometric equation confusion

Solutions of $\tan(x)=-\lambda x$?

Finding an equation form of a line from a matrix

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