In our language, sin is increasingly something we do, not something that defines us. But hymns and evangelical worship songs aren’t the only place people talk about sin. How do we talk about sin? Do ...

Graphing calculators: essential tools for math education or low-res Game Boys? The debate rages on. Advocates of non-mathematical applications for the devices have scored a major victory with the ...

This circle has the centre at the origin and a radius of 1 unit. The point P can move around the circumference of the circle. At point P the \(x\)-coordinate is \(\cos{\theta}\) and the ...