Trigonometry was, as a part of mathematics, until the renaissance almost exclusively usedin astronomy, and not as a mathematical theory. Plane ttrigonometry was used just as much as needed for spheerical trigonometry. There are many uses of trigonometric functions today. One of theese uses is visible in marine, specially in navigation. Numerical ca...

By Tatjana Stanivuk, Josip Đula, Frane Prolić, Marina Šarac