Plane trigonometry :
FLEMING,W.
Plane trigonometry : - 2nd ed. - Englewood Cliffs : Prentice hall, 1989. - 317 p. : ill ; cm.
Includes index.
0136790518 $
Plane trigonometry : - 2nd ed. - Englewood Cliffs : Prentice hall, 1989. - 317 p. : ill ; cm.
Includes index.
0136790518 $