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

Being able to identify which formula to use, sine or cosine, and when, is necessary to answer questions on this topic successfully. Check you are confident in how to use the sine and cosine rules.

Brian McLogan Learn how to find the six trig functions of a right triangle Posted: March 29, 2026 | Last updated: March 29, 2026 👉 Learn how to evaluate the six trigonometric functions given a right ...