Trigonometry

Trigonometric Graphs, Exact Values and Inverse FunctionsSign up

understand and use the definitions of sine, cosine and tangent for any angle, using the unit circle to interpret signs of trigonometric ratios in each quadrant · know and use exact values of sin, cos and tan of 0°, 30°, 45°, 60°, 90° and related angles · be able to sketch the graphs of y = sin x, y = cos x and y = tan x and recognise their periodicity and symmetries

Trigonometric Identities and EquationsSign up

understand and use the identities sin^2 θ + cos^2 θ = 1 and tan θ = sin θ / cos θ · be able to solve trigonometric equations of the form sin(kθ + α) = c, cos(kθ + α) = c and tan(kθ + α) = c within a given interval