Yesterday, Google announced that you could now use their search engine as a graphing calculator. Just type in the function, or several functions separated by commas, and you get a graph. Why? Because ...

Want to prove that you're a cosine champion at your next math exam? Texas Instruments thinks it has the answer. It's trotting out a limited edition version of the TI-84 Plus CE graphing calculator ...

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 ...

CSS, which stands for Cascading Style Sheets, or the language that styles and arranges how page elements appear on a website, will get support for trigonometry functions such as sine, cosine, tangent, ...