Sine (sin₍x₎) ○◂｜_append｜___｜20260628174208-01-•

Sine and cosine	…
General information	…
General definition	$\begin{array}{rl}& \sin (\theta )=\frac{\text{opposite}}{\text{hypotenuse}}\\ & \cos (\theta )=\frac{\text{adjacent}}{\text{hypotenuse}}\end{array}$
Fields of application	Trigonometry, Fourier series, Mathematical analysis.
Domain, codomain and image	…
Domain	real number $\mathbb{R}$
Image	$[-1,1]$

(echo:: @ ᯤ)