Video lessons for WJEC A Level Maths 1.5.5 Trigonometry. 4 lessons matched to the WJEC A Level Maths (1300QS) specification, each working through the content and then applying it to exam-style questions in AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4 format. Suitable for A Level Maths.