References
Georgia Department of Education (2006). Mathematics Georgia performance standards.
Retrieved from https://www.georgiastandards.org/standards/Georgia%20Performance%20Standards/Math-II-Stds-rev-0409.pdf
Silverman, J. (2013, March 14). Discovering Sine, Cosine, and Tangent in Right Triangles . . Retrieved July 15, 2014, from https://www.geogebratube.org/material/show/id/32475
The Common Core State Standards Initiative (2011). Common core state standards for mathematics.
Retrieved from http://www.corestandards.org/assets/CCSSI_Math%20Standards.pdf
Retrieved from https://www.georgiastandards.org/standards/Georgia%20Performance%20Standards/Math-II-Stds-rev-0409.pdf
Silverman, J. (2013, March 14). Discovering Sine, Cosine, and Tangent in Right Triangles . . Retrieved July 15, 2014, from https://www.geogebratube.org/material/show/id/32475
The Common Core State Standards Initiative (2011). Common core state standards for mathematics.
Retrieved from http://www.corestandards.org/assets/CCSSI_Math%20Standards.pdf