Basic Trigonometry how to find missing sides and angles easily. The 6 golden rules to find angles or sides.
Using sin, cos and tan to find missing sides and angles through SOHCAHTOA
SOHCAHTOA is a way to remember the three main formula.
Sin angle equals opposite divided by hypotenuse
Cos angle equals adjacent divided by hypotenuse
Tan angle equals positive divided by adjacent
SOHCAHTOA
sinx=opp/adj
cosx=adj/hyp
tanx=opp/adj
Sine, Cosine and Tangent functions
Essential Maths GCSE revision
I created this video using a compilation of my own previously uploaded examples with the YouTube Video Editor ( / editor ) View my channel: / jayates79
See my new developing website at http://www.mathslearn.co.uk which contains maths revision videos, maths revision questions and maths revision answers.
A compilation of my videos and revision resources ordered by grade at GCSE are being added to http://mathslearn.co.uk/gcserevision