It offers the complete set of easy trigonometry, it has a calculator of right and equilateral triangles with angles expressed in degrees and radians, an explanation of the most important theorems (Pythagorean theorem, law of sine and cosine) and examples to facilitate their understanding.
Additionally, an annex of trigonometric identities is added to facilitate the resolution of mathematical problems.
Solve right triangles, triangles of Pythagoras with this app and compare with your results by hand !.