An understanding of the three trigonometric ratios and function machines ... o\) and \(h\) is the sine (sin) ratio. Practise finding angles in right-angled triangles with this quiz.

text{Area of a triangle} = \frac{1}{2} ab \sin{C}\) To calculate the area of any triangle the lengths of two sides and the angle in between are required. Rearrange the equation to make \(\sin{C}\) ...