This app is a math calculator, which calculates the values for the most important trigonometric functions, like: Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent. Best math tool for school and college! If you are a student, it will helps you to learn geometry! Note: Trigonometric functions are used for computing unknown lengths and angles in triangles (in navigation, engineering and physics). A common use in elementary physics is resolving a vector into Cartesian coordinates. The sine an