Needed Ref top
You Should or Must Have the below for Reference

FILE NAME

 Need 

DESCRIPTION All = All courses need these, PBCC = PBCC version of course

analytic_trig_formulas

All

identities and other information

angle_conversion

All

convert angles from to Decimal Degree DMS Radian and Gradients

triangles_basic

All

the basic triangles used in trig

graphs_of_trig_functions

All

graphs of the basic trig functions

graphing_trig_functions

All

inverses of basic functions

All

arcfunctions inverses of the basic trig functions

laws_sines_cosines

All

reference for the laws of sines, cosines and Heron's formula

polar

All

conversion formulas and graph paper

polar_graphs

All

graph of selected polar equations

vectors

All

basic vector summary

complex_numbers

All

complex numbers summarized

conic_formulas_table

Optional*

a complete table of conics and their parts - center anywhere
 - Needed if *Rotation of Conics is covered

conic_formulas_table

conic_rotation

Optional*

rotating conic equations, removing the xy-term
 - Needed if *Rotation of Conics is covered

graphing_trig_functions Basic

Optional#  

a complete step method for graphing trig functions 
by hand - example included - as basic as possible for 2 periods when
using the phase shift as a starting point

graph_hand_calc_assisted

Optional#

graphing trig functions by hand with calculator assist