basictrig

# basictrig - sin 2 ( x )+ cos 2 ( x ) = 1 1 + tan 2 ( x ) =...

This preview shows page 1. Sign up to view the full content.

Math 112 Spring 2008 Basic Trigonometric Identities Reciprocal Identities sec ( x ) = 1 cos ( x ) csc ( x ) = 1 sin ( x ) tan ( x ) = sin ( x ) cos ( x ) cot ( x ) = cos ( x ) sin ( x ) tan ( x ) = 1 cot ( x ) cot ( x ) = 1 tan ( x ) Periodicity Identities sin ( x + 2 π ) = sin ( x ) csc ( x + 2 π ) = csc ( x ) cos ( x + 2 π ) = cos ( x ) sec ( x + 2 π ) = sec ( x ) tan ( x + π ) = tan ( x ) cot ( x + π ) = cot ( x ) Pythagorean Identities
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: sin 2 ( x )+ cos 2 ( x ) = 1 1 + tan 2 ( x ) = sec 2 ( x ) 1 + cot 2 ( x ) = csc 2 ( x ) Negative Angle Identities sin (-x ) =-sin ( x ) cos (-x ) = cos ( x ) tan (-x ) =-tan ( x )...
View Full Document

## This note was uploaded on 04/28/2008 for the course MATH 112 taught by Professor Lum during the Spring '08 term at Oregon.

Ask a homework question - tutors are online