A problem is defined as an unwelcome or harmful situation that is to be dealt with or overcome. [1] From a cognitive neuroscience perspective, a situation is not a problem unless one thinks he or she ...

In this video, I explain how to use Pythagorean identities to simplify trigonometric expressions. We focus on substituting ...

In this video, I simplify a trigonometric expression using two methods: a beginner approach and an expert approach. This math ...

Abstract: Since its first use by Euler on the problem of the seven bridges of Königsberg, graph theory has shown excellent abilities in solving and unveiling the properties of multiple discrete ...

The camera roll of an outdoor lover is guaranteed to contain several images of them standing next to a trig point marking the summit of fells, moorlands and crags. Now a charity wants the ...

We spend a lot of time thinking about the difficult people in our lives—the friend who can't take feedback, the partner who always has to be right, the coworker who turns everything into a fight. But ...

Pillars at Cold Ashby, Northamptonshire, and Thorny Gale, Cumbria, bookended the project that modernised mapping Heritage campaigners are bidding for listing status for two concrete pillars hailed as ...