Trigonometry Reference

 

Circular Functions

Cosine

 

Sine

 

Tangent

 

Cotangent

 

General Relations

 

Angle Sum and Difference Formulas

 

Sum and Difference Formulas

 

Half-Angle Relations

 

Multiple Angle Formulas

 

 

 

Product Relations

 

Hyperbolic Functions

 

Hyperbolic Cosine

 

 

Hyperbolic Sine

 

 

Hyperbolic Tangent

 

Hyperbolic Cotangent

 

General Relations

 

Angle Sum and Difference Formulas

 

Sum and Difference Formulas

 

Half-Angle Relations

 

Multiple Angle Formulas

 

 

Product Relations

 

Relations Between Circular

and Hyperbolic Trigonometric Functions