Essentials of trigonometry /
Drooyan, Irving.
Essentials of trigonometry / Irving Drooyan, Walter Hadel, Charles C. Carico. - 3d ed. - New York : Macmillan, c1981. - viii, 328 p. : ill. ; 24 cm.
Includes index. "A portion of this material has been adapted from Trigonometry: an analytic approach."
0023302704
79022994
Plane trigonometry.
QA533 / .D74 1981
516/.24 DRO
Essentials of trigonometry / Irving Drooyan, Walter Hadel, Charles C. Carico. - 3d ed. - New York : Macmillan, c1981. - viii, 328 p. : ill. ; 24 cm.
Includes index. "A portion of this material has been adapted from Trigonometry: an analytic approach."
0023302704
79022994
Plane trigonometry.
QA533 / .D74 1981
516/.24 DRO