Geogebra 4 Trigonometry

Sine function

Cosine function

sin(θ) and the Unit Circle - for θ between 0° and 360°

sin(θ) and the Unit Circle - for all angles θ in degrees

Graphing sin(x): Sine, the Unit Circle and Radians

cos(θ) and the Unit Circle - for θ between 0° and 360°

cos(θ) and the Unit Circle - for all angles θ in degrees

Graphing cos(x): Cosine, the Unit Circle and Radians