👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on ...

Description: 👉 Learn the basics of graphing a tangent and a cotangent function. To plot the tangent and the cotangent graph ...

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 ...

Trigonometry is the mathematics of triangles and it is quite amazing that the understanding of the simple triangle leads to so many applications. The fundamental fact is that the angles of a triangle ...