Explore major math functions like sine, cosine, and tangent! Learn to graph trigonometric functions and understand key ...

It’s a standard conversation between math students and teachers all around the world: Student: “Why do I need to know this stuff anyway?” Teacher: “Because it will show up on the SAT and you need it ...

A key instructional shift called for by the Common Core State Standards for Mathematics is the dual emphasis on conceptual understanding and procedural fluency. NCTM draws a connection between these ...

Stellar athletes, successful entrepreneurs, and motivational speakers like to say that pressure makes diamonds. The higher the stakes and the harder the circumstances, the thinking goes, the more ...

“Gentlemen, that is surely true, it is absolutely paradoxical; we cannot understand it, and we don’t know what it means. But we have proved it, and therefore we know it must be the truth.” —Benjamin ...

The TAN function is a Math and Trigonometry function, and its purpose is to return a tangent of a number or angle. In this post, we show you how to use the TAN function in Microsoft Excel. In ...

Daniel writes guides on how to use the internet, explainers on how modern technology works, and the occasional smartwatch or e-reader review. He especially likes deep diving into niche topics that ...

It’s a standard conversation between math students and teachers all around the world: Student: “Why do I need to know this stuff anyway?” Teacher: “Because it will show up on the SAT and you need it ...