Basic Circle Functions

Topic:Circle, Cosine, Functions, Sine, Tangent Function, Trigonometry

David Joyce is a brilliant visual thinker and representer, and he has this great image at the beginning of his trigonometry short course. See the course at http://www.clarku.edu/~djoyce/trig/

New Resources

Slope Between 2 Points (Phase 2)
bewijs stelling van Pythagoras
Celsius ↔ Fahrenheit Converter
Regular Star Polygons
အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

Polígono regular que se desenrolla y enrolla
Olimpiada Sinaia 1.
Roots of a cubic: α, β, γ (real)
Inscribed Shapes
Area of sector

Discover Topics

Hypothesis Testing
Equilateral Triangles
Reflection
Secant Line or Secant
Calculus