Trigonometric Functions and all that Jazz

Sine

Cosine

Tangent

cot^2 + 1= csc^2

domain

(-infinity, infinity)

x such that x cannot equal npi/2, where n is an odd integer.

Ratio Identities

Sin/cos

cos/sin

domain

x such that x cannot equal npi, where n is an integer

x such that x cannot equal npi/2, where n is an odd integer.

Range

[-1,1]

(-infinity, infinity)

tan^2 + 1 = sec^2

Pythagorean Identities

sin^2 + cos^2 = 1

range

(-infinity, -1] U [1, infinity)

X is the element of all real numbers

Reciprocal

Inverse

Cosecant

Secant

Cotangent