Rider, Paul R.
Plane and spherical trigonometry / - New York : The Macmillan Co., c1971. - xiv, 142 pages ; 21 cm.
9710819186
Trigonometry.
516.24 / R5444 1971
Plane and spherical trigonometry / - New York : The Macmillan Co., c1971. - xiv, 142 pages ; 21 cm.
9710819186
Trigonometry.
516.24 / R5444 1971