Skip over navigation

Home › SparkNotes › Math Study Guides › Trigonometry: Trigonometric Functions

Trigonometry: Trigonometric Functions

Table of Contents

Trigonometric Functions

Terms and Formulae

Summary and Analysis

Trigonometric Functions

Functions in Quadrants

Reference Angles

The Unit Circle

How to Cite This SparkNote

SparkTunes

Liven up your study sesh with one of these playlists!

Powered by Songza

Take a Study Break

SparkLife

Star Trek gets SEXY

Chris Pine and Zoe Saldana heat up the red carpet!

SparkLife

Are you afraid of relationships?

Auntie SparkNotes can help!

SparkLife

Wanna get JLaw's gorgeous glow?

Click here for simple, sexy makeup tricks!

SparkLife

Sexy starlet style

See every single look from the Met Gala!

SparkLife

Who'd be on your zombie-apocalypse crew?

We already dib'sed Genghis Khan.

Geek out!

The MindHut

Geeky Actors: Then and Now

Travel back in time!

The MindHut

Villains We Want These Actresses to Play

From super cute to super bad!

The MindHut

10 Movies Better Than Their Books

What do you think?

The MindHut

How To Look Like J-Law...

When you don't look like J-Law.

The MindHut

12 Scientific Inaccuracies in Into Darkness

What did Star Trek get wrong?

The Book

Cover image

Read What You Love, Anywhere You Like

Get Our FREE NOOK Reading Apps