Credit Attribution
Pre Activity: Trigonometric Functions in Region
The core author of the book's first activity, Pre Activity: Trigonometric Functions in Region, is Jesus Perez. Additionally, we completed the applet by adding dynamic check boxes and writing instructions for the GeoGebra activity.
Title Image:
File:Sin x = sin (180- x) and cos (180- x) = -cos x.png
https://commons.wikimedia.org/wiki/File:Sin_x_%3D_sin_%28180-_x%29_and_cos_%28180-_x%29_%3D_-cos_x.png
"This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license."
Remaining Parts
The remaining parts of the book were made by authors Hafsa Metin and Esma Nur Karaca.