Circles

1. Geometry

1.1. 2D

1.1.1. Chords

1.1.2. Angles

1.1.2.1. Central

1.1.2.2. Inscribed

1.1.2.3. Degree

1.1.2.3.1. Radians

1.1.2.4. Types..

1.1.2.4.1. Right Angles

1.1.2.4.2. Complementary Angle

1.1.2.4.3. Supplementary Angle

1.1.3. Tangents

1.1.4. Circumference

1.1.5. Surface Area

1.2. 3D

1.2.1. Volume

1.2.2. Conics

1.2.2.1. Sphere

1.2.2.2. Hyperbola

1.2.2.3. Cone

1.2.2.4. Calculus

1.3. Triangles

2. Trigonometry

2.1. Sine

2.1.1. Laws of Sine

2.1.1.1. sin A/a = sin B/b = sin C/c

2.2. Cosine

2.2.1. Laws of Cosine

2.3. Tangent

2.4. Unit Circle

2.5. Inverse Functions

2.5.1. Cotangent

2.5.2. Cosecant

2.5.3. Secant

2.6. Sides

2.6.1. Hypotenuse

2.6.2. Adjacent

2.6.3. Opposite

3. Pi π

3.1. Irrational Numbers

4. Equation

4.1. Cartesian Coordinates

4.1.1. Cartesian Plane

4.2. Polar Coordinates

4.3. Parametric Coordinates

5. Parts of a Circle

5.1. Origin

5.2. Arc

5.3. Radius