Objective notes2 learning objectivesE6.4.1Trigonometric graphs• Recognise, sketch and interpret y = sin x, y = cos x and y = tan x for 0° ≤ x ≤ 360°.ViewE6.4.2Trigonometric equations• Solve equations involving sin x, cos x or tan x for 0° ≤ x ≤ 360°.View