Ayres, Frank .
Schaum's outline of theory and problems of plane and spherical trigonometry / Frank Ayres. - New York : McGraw-Hill, ©1954. - 205 p. : ill. ; 28 cm. - Schaum's outline series. .
Includes index.
Plane trigonometry.
514.5 / AYT
Schaum's outline of theory and problems of plane and spherical trigonometry / Frank Ayres. - New York : McGraw-Hill, ©1954. - 205 p. : ill. ; 28 cm. - Schaum's outline series. .
Includes index.
Plane trigonometry.
514.5 / AYT