Achieving perfect 30, 45, and 60-degree angles doesn’t have to be difficult – it's all about understanding the geometry behind them. In this video, viewers will uncover four simple yet ...

Mastering degree-radian conversions is crucial for trigonometry and calculus. Radians simplify mathematical formulas, ...

Hexagon (six sides): 60 degrees. Octagon (eight sides): 67 1/2 degrees. Careful laying out of the angles is required, of course. The tools needed are a protractor and a sliding T bevel.

The three trigonometric ratios; sine, cosine and tangent are used to calculate angles and lengths in right-angled triangles. The sine and cosine rules calculate lengths and angles in any triangle.

Revise trigonometric ratios of sine, cosine and tangent and calculate angles in right-angled triangles with this Bitesize GCSE Maths Edexcel guide.