There are three main trigonometric functions - Sine θ (sin θ), Cosine θ (cos θ) and Tangent θ (tan θ). Sin θ - Ratio of Perpendicular to Hypotenuse Cos θ - Ratio of Base to Hypotenuse ...

Sin Cos Tan are designed exclusively for a digital interface; that’s not to mention trigonomic functions on a graphing calculator, but rather the Finnish synthpop duo consisting of Jori Hulkkonen and ...

Revise how to use the sine and cosine rules to find missing angles and sides of triangles as part of National 5 Maths.

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

‘Cosine, secant, tangent, sine, 3.14159!’ Wouldn’t it be peachy, Crimson, if we could hold that line?