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 ...

17. Let [Math Processing Error] C be the curve [Math Processing Error] y = (x 1) 3 and let [Math Processing Error] L be the line [Math Processing Error] 3 y + x = 0 Find the equation of all lines that ...

As the point P moves anticlockwise around the circle from 0°, the angle θ changes. The values of cos θ and sin θ also change. The graphs of y = sin θ and y = cos θ can be plotted.