PRECALC TRIG

Basic Functions

SOH CAH TOA

Sine=Opposite/Hypotenuse

Cosine=Adjacent/Hypotenuse

Tangent=Opposite/Adjacent

Inverse

Graphs

Sine Wave

-1 to 1

Cosine Wave

-1 to 1

Tangent

Really Weird

Unit Circle

Cosine=X

-1 to 1

Sine=Y

-1 to 1

Identities

Reciprocals

See Inverse functions

Pythagorean

cos^2+sin^2=1

sec^2=1+tan^2

csc^2=1+cot^2t

Sum and Difference

Even/Odd

Cofunction

Quotient

Period

Half Angle

Double Angle

Power Reduce