Trigonometry Tags

# Trigonometry Tags

## Geometric and algebraic foundations for trigonometry

- Similar figures
- The Pythagorean theorem & its converse
- Radians, converting radians & degrees
- Arc length, sector area, angular and linear velocity
- Reference angles (using coterminal angles)

## Trigonometric functions

- Unit circle
- Sine & cosine functions - definitions, graphs, & properties
- Tangent & cotangent functions - definitions, graphs, & properties
- Secant & cosecant functions - definitions, graphs, & properties
- Inverse trigonometric functions - definitions, graphs, & properties
- Combinations and compositions of functions
- Trigonometric functions of special angles
- Trigonometric functions of non-special angles

## Triangle trigonometry

- Sine, cosine, and tangent of an angle in a right triangle
- Law of sines
- Law of cosines
- Area of a triangle

## Analytic trigonometry

- Double-angle & half-angle formulas
- Addition & subtraction formulas
- Solving trigonometric equations exactly
- Solving trigonometric equations numerically
- Solving trigonometric inequalities exactly
- Solving trigonometric inequalities numerically
- Product-to-sum & sum-to-product formulas

## Polar coordinates & vectors

- Polar and rectangular coordinates
- Curves
- Inequalities