All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. This all started ...

Function y = cos(x) calculates the cosine of an angle in radians. It has a high-speed, fully pipelined architecture and uses a polynomial with dynamic coefficients to calculate the result to within ...

In support of efforts to foreground functions as central objects of study in algebra, this study provides evidence of how secondary students use trigonometric functions in contextual tasks. The author ...

Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three ...