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 ...

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 ...

Anyone who’s taken classes in geometry, algebra, trigonometry or other advanced math forms has certainly encountered the graphing calculator before. These multi-function devices make incredibly ...