Newbetuts

Is it possible to derive the nth derivative of$~\exp\left(x\right)\sin^{}\left(x\right)~$using binomial coefficient$~{n\choose k}~$?

Proving that $\frac{\csc\theta}{\cot\theta}-\frac{\cot\theta}{\csc\theta}=\tan\theta\sin\theta$

How to determine the positive and negative nature of $a\sec\theta-b\tan\theta$?

$\sec\theta+\tan\theta=p$ and $\sec\theta\tan\theta=q$. Eliminate $\theta$ to form a equation between $p$ and $q$.

Fake proof that $\frac{e^x-1}{e^x+1}=e^x$, via integrating $\operatorname{sech} x$ in two ways

All positive solutions of $\tan x=x$

A circle is divided into $5$ parts as shown in the diagram and parts are colored either red or green. Find which area is bigger.

The case of Captain America's shield: a variation of Alhazen's Billard problem

Evaluating $\int_{0}^{\pi/2}\frac{x\sin x\cos x\;dx}{(a^{2}\cos^{2}x+b^{2}\sin^{2}x)^{2}}$

Finding $\lim_{x\to 0} \frac{(1+\tan x)^{\frac{1}{x}}-e}{x}$

Proving $\frac{1}{\cos^2\frac{\pi}{7}}+ \frac {1}{\cos^2\frac {2\pi}{7}}+\frac {1}{\cos^2\frac {3\pi}{7}} = 24$

What is cosine to the power of zero?

Generalizing trig-sum to product using complex exponentials

Baby rudin 8.21

Reduction formula for $I_{n}=\int {\cos{nx} \over \cos{x}}\rm{d}x$

Why does $\tan(30^{\large\circ})=\frac{\tan(10^{\large\circ})\tan(50^{\large\circ})}{\tan(20^{\large\circ})}$?

New posts in trigonometry

Description of the function graph

Getting angle between 2 lines in swift [duplicate]

Eigenvalues of a tridiagonal trigonometric matrix

Seeking for help to find a formula for $\int_{0}^{\pi} \frac{d x}{(a-\cos x)^{n}}$, where $a>1.$

Is it possible to derive the nth derivative of$~\exp\left(x\right)\sin^{}\left(x\right)~$using binomial coefficient$~{n\choose k}~$?

Proving that $\frac{\csc\theta}{\cot\theta}-\frac{\cot\theta}{\csc\theta}=\tan\theta\sin\theta$

How to determine the positive and negative nature of $a\sec\theta-b\tan\theta$?

$\sec\theta+\tan\theta=p$ and $\sec\theta\tan\theta=q$. Eliminate $\theta$ to form a equation between $p$ and $q$.

Fake proof that $\frac{e^x-1}{e^x+1}=e^x$, via integrating $\operatorname{sech} x$ in two ways

All positive solutions of $\tan x=x$

A circle is divided into $5$ parts as shown in the diagram and parts are colored either red or green. Find which area is bigger.

The case of Captain America's shield: a variation of Alhazen's Billard problem

Evaluating $\int_{0}^{\pi/2}\frac{x\sin x\cos x\;dx}{(a^{2}\cos^{2}x+b^{2}\sin^{2}x)^{2}}$

Finding $\lim_{x\to 0} \frac{(1+\tan x)^{\frac{1}{x}}-e}{x}$

Proving $\frac{1}{\cos^2\frac{\pi}{7}}+ \frac {1}{\cos^2\frac {2\pi}{7}}+\frac {1}{\cos^2\frac {3\pi}{7}} = 24$

What is cosine to the power of zero?

Generalizing trig-sum to product using complex exponentials

Baby rudin 8.21

Reduction formula for $I_{n}=\int {\cos{nx} \over \cos{x}}\rm{d}x$

Why does $\tan(30^{\large\circ})=\frac{\tan(10^{\large\circ})\tan(50^{\large\circ})}{\tan(20^{\large\circ})}$?