Perlin, I.E. <br/><br/>
Trigonometry / 
I.E. Perlin 
 - Pennsylvania :  International Textbook Company,  c1968 
 - viii, 199 pages ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/>1. Geometrical preliminaries -- 2. The trigonometric functions -- 3. Relations between the trigonometric functions -- 4. Inverse trigonometric functions -- 5. Trigonometric equations -- 6. Tables of trigonometric functions -- 7. Logarithms -- 8. Solution of triangles: the right triangle -- 9. Complex numbers -- 10. The addition formulas -- 11. Solution of triangles: the general triangle. 
<br/><br/> The author has attempted to provide a textbook that is completely rigorous, and flexible enough in scope and content to be used in all types of colleges. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TRIGONOMETRY -- CALCULUS
<br/><br/><label>LC Class. No.: </label>QA 531 .P47 1968