Revise calculating the area of a triangle using trigonometry for your National 5 maths exam with Bitesize Scotland interactive practice quizzes covering feedback and common errors.

I'm talking about trigonometry, of course: that bastion of angles and triangles that is essential to calculating velocity, momentum, and much more.

‘Love Triangle’ Review: The Magic of Trigonometry From computers to architecture to astronomy, the study of triangles is an indispensable mathematical tool.

When memorising standard angles, focus on understanding the patterns rather than rote learning. Notice how 30-60-90 triangles and 45-45-90 triangles generate the most common radian measures.