This will display the locations serviced content. This will display the locations serviced content. This will display the locations serviced content.

Demo 1 Logo Demo 1 Logo Club Z!

In-Home & Online Tutoring

Get Math Help

Optional custom content. This can be any HTML containing text, images, links, etc... It will be displayed on all pages!
Demo 1 / Get Math Help

Trigonometric Addition Formulas

Alternate name

angle addition formulas

Basic definition

The trigonometric addition formulas are a set of formulas that express trigonometric functions of sums of angles in terms of the trigonometric functions of the original angles.

Detailed definition

Angle addition formulas express trigonometric functions of sums of angles α ± β in terms of functions of α and β. The fundamental formulas of angle addition in trigonometry are given by sin(α + β) | = | sin α cos β + sin β cos α sin(α - β) | = | sin α cos β - sin β cos α cos(α + β) | = | cos α cos β - sin α sin β cos(α - β) | = | cos α cos β + sin α sin β tan(α + β) | = | (tan α + tan β)/(1 - tan α tan β) tan(α - β) | = | (tan α - tan β)/(1 + tan α tan β).

Related terms

double-angle formulas | half-angle formulas | harmonic addition theorem | multiple-angle formulas | prosthaphaeresis formulas | trigonometry | trigonometry angles | Werner formulas

Educational grade level

high school level (California trigonometry standard)

Why Club Z!?

We're Awesome!

Vestibulum vitae aliquam nunc. Suspendisse mollis metus ac tellus egestas pharetra. Suspendisse at viverra purus. Pellentesque nec posuere ligula, eu congue leo. Integer vulputate tempor arcu. Vestibulum vulputate

We're Awesome!

Vestibulum vitae aliquam nunc. Suspendisse mollis metus ac tellus egestas pharetra. Suspendisse at viverra purus. Pellentesque nec posuere ligula, eu congue leo. Integer vulputate tempor arcu. Vestibulum vulputate Vestibulum vitae aliquam nunc. Suspendisse mollis metus ac tellus egestas pharetra. Suspendisse at viverra purus. Pellentesque nec posuere ligula, eu congue leo. Integer vulputate tempor arcu. Vestibulum vulputate

We're Awesome!

Vestibulum vitae aliquam nunc. Suspendisse mollis metus ac tellus egestas pharetra. Suspendisse at viverra purus. Pellentesque nec posuere ligula, eu congue leo. Integer vulputate tempor arcu. Vestibulum vulputate Vestibulum vitae aliquam nunc. Suspendisse mollis metus ac tellus egestas pharetra. Suspendisse at viverra purus. Pellentesque nec posuere ligula, eu congue leo. Integer vulputate tempor arcu. Vestibulum vulputate

We're Awesome!

Vestibulum vitae aliquam nunc. Suspendisse mollis metus ac tellus egestas pharetra. Suspendisse at viverra purus. Pellentesque nec posuere ligula, eu congue leo. Integer vulputate tempor arcu.

OUR PURPOSE

We tutor you in the subjects you need to help you progress.

Pre-K Reading Writing Math Science Studdy Skills

Subjects We Tutor

What Is Domain In Math

What Is Domain In Math ‘

Read More...
What Is Domain In Math

What Is Domain In Math ‘

Read More...
Volume of a Sphere

Volume of a Sphere ‘

Read More...
Area of a Triangle

Area of a Triangle ‘

Read More...
Distance Formula

Distance Formula ‘

Read More...
Distance Formula

Distance Formula ‘

Read More...
Volume of a Cylinder

Volume of a Cylinder ‘

Read More...
Find the right fit or it’s free.

We guarantee you’ll find the right tutor, or we’ll cover the first hour of your lesson.