Trigonometry is the branch of mathematics that explains the relationship between sides and angles of a triangle. In a right angled triangle the three sides are perpendicular, base and hypotenuse, as ...

The mathematical study of triangles has just got a whole lot simpler, according to a researcher who says his new theory of trigonometry is easier to use and more accurate. Associate Professor Norman ...

A worksheet on differentiating functions involving sine, cosine, tangent, cotangent, secant and cosecant. The exercises require the use of the basic rules: rule for constant functions, power rule, ...