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Simple and convenient trigonometric formulas guide.

This is a best way for you to learn trigonometric formulas.

The following contents are provided :

Relationship between degrees and radians

Right triangle definitions

Circular function definitions

Exact values for trigonometric functions of most commonly used angles

Graphs of trigonometric functions

Reciprocal Identities

Quotient Identities

Pythagorean Identities

Periodicity Relationships

Negative angle identities

Supplementary angle identities

Complementary angle identities

Sum or difference of two angles

Double angle formulas

Triple angle formulas

Multiple angle formulas

Half angle formulas

Sum, difference and product of trigonometric functions

Circular functions and planar triangles

Inverse trigonometric functions

Relationships between trigonometric functions and inverse trigonometric functions

Derivatives of trigonometric functions

Derivatives of inverse trigonometric functions

Indefinite integrals of trigonometric functions

Indefinite integrals of inverse trigonometric functions

Trigonometry Guide

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