An open textbook covering pre-calculus including trigonometry.
An emphasis is placed on modeling and interpretation, as well as the important characteristics needed in calculus..
Likewise, solving is introduced in the second chapter and revisited more extensively in the third chapter.
Identities are introduced in the first chapter, and revisited throughout.
Trig is introduced through an integrated circle/triangle approach.
The second portion of the book introduces trigonometry.
The first portion of the book is an Investigation of functions, exploring the graphical behavior of, interpretation of, and solutions to problems involving linear, polynomial, rational, exponential, and logarithmic functions.
An open textbook covering pre-calculus including trigonometry
