This edition of Trigonometry includes such topics as radians, the special angles, right triangles, the Pythagorean Theorem, sine, cosine, tangent, law of cosines and law of sines.
1998
1997
1962
2000
2018
1991
2006
2005
2008
1977
2016
1988
1932
1993
2004
1946
2014
2015