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 ...

The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...

In this section, you will: * Solve linear trigonometric equations in sine and cosine. * Solve equations involving a single trigonometric function. * Solve trigonometric equations using a calculator. * ...