Cosine, secant, tangent, sine, 3.14159. / Integral radical mu dv ... I just assume they’re in a rush, as all of us are at one time or another. Calm, unbothered in traffic, that’s me.

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 \(y ...

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 \(y ...