An object is moving counter-clockwise along a circle with the centre at the origin. At \(t=0\) the object is at point \(A(0,5)\) and at \(t=2\pi\) it is back to point \(A\) for the first time.
When drawing mathematical expressions used in full-scale mathematics, such as fractions and functions, it is a formatting system specialized in mathematical formulasLaTeXAlthough it is commonly used, ...