Here you can find all my videos on trigonometry, as well as a link to a playlist containing all the videos. They've been loosly sorted into sub-topics, but there is some crossover.
Trig Graphs
Sketching Graphs of Sine, Cosine and Tangent from the Unit Circle
Sketching Graphs of y=sin(x), y=cos(x) & y=tan(x) in Radians
Solving Trig Equations
Solving Trig Equations of the Form sin(x)=, cos(x)= and tan(x)=
Solving Trig Equations of the Form sin(ax)=, cos(ax)=, tan(ax)=
Solving Trig Equations of the Form sin(x+b)=, cos(x+b)=, tan(x+b)=
Solving Trig Equations of the Form sin(ax+b)=, cos(ax+b)=, tan(ax+b)=
Solving Trig Equations Using Trig Identity sin^2(x)+cos^2(x) ≡ 1
Solving Equations Using Trig Identity sin(x)/cos(x) ≡ tan(x)
Working in Radians
Trig Identities