Trigonometric formulas. Direct

Handbook of basic trigonometric formulas and properties. Trigonometry

Trigonometric formulas (trigonometric formulas) or trigonometric identities describe the relationship between sine, cosine, tangent, and cotangent and are used in solving mathematical problems.

Trigonometric formulas:

- Basic trigonometric identities

- Formulas of the double argument

- Formulas of the triple argument

- Half-argument formulas

- Squares formulas for trigonometric functions

- Cube formulas for trigonometric functions

- Formulas of trigonometric functions in the fourth degree

- Addition and difference formulas for trigonometric functions

- Formulas for the sum of trigonometric functions

- Difference formulas for trigonometric functions

- Formulas of products of trigonometric functions

- Equivalence formulas for trigonometric functions

- Table of values ​​of the main trigonometric functions

- The solution of trigonometric equations

- Relations of inverse trigonometric functions

- Signs of trigonometric functions in quarters

- Trigonometric constants