Schaum's outline of theory and problems of trigonometry : with calculator-based solutions 
Ayres, Frank, 1901- 
 - Third edition. 
 -  McGraw-Hill,  1999 
 - viii, 215 p. 
 - Schaum's outline series .
0-07-006893-3
Trigonometry -- Outlines, syllabi, etc.
516.24 Ay7s 1999
                        0-07-006893-3
Trigonometry -- Outlines, syllabi, etc.
516.24 Ay7s 1999