Basic Trigonometry, how to find missing sides easily.
Essential maths revision video showing how to find missing sides easily using SOHCAHTOA, the cos, sin and tan functions for GCSE maths
GCSE and A-level maths trigonometry revision using sin, cos and tan
For finding angles see: http://youtu.be/7rJfKGmp6fw
This is an essential Maths GCSE revision video and discusses the hypotenuse, adjacent and opposite ratios and the inverse trigonometry functions. View my channel: http://www.youtube.com/jayates79