GCSE Edexcel Trigonometry - Edexcel Trigonometric graphs - Higher The three trigonometric ratios; sine, cosine and tangent are used to calculate angles and lengths in right-angled triangles. The ...

The graph of y = sin θ The graph of \ (y = \sin {\theta}\) has a maximum value of 1 and a minimum value of -1. The graph has a period of 360°. This means that it repeats itself every 360°.