Cohen, David <br/><br/>
Trigonometry/ 
by David Cohen 
 - United states of america:  Brooks/cole publishing company,  c1998. 
 - xii,397p.:  25.5 cm. 
<br/><br/> includes appendix & index 
<br/><br/>Chapter One. -- Coordinate geometry and functions -- Two. Trigonometric functions of angles -- Three. Trigonometric functions of real numbers -- Four. Analytical Trigonometry -- Five.  Triangles and vectors -- Six. Complex Numbers -- Seven. Analytic Geometry . 
<br/><br/><label>ISBN: </label>0-534-50046-3 
<br/><br/><label>Dewey Class. No.: </label>BCir.516  / C660t 1998