Gehrmann, James.
Trigonometry / James Gehrmann and Thomas Lester. - San Diego : Harcourt Brace Jovanovich, c1984. - vii, 278 p. : ill. - Harcourt Brace Jovanovich college outline series Books for professionals .
0156016931 (pbk.)
Trigonometry.
QA531 / .G44 1984
516.2/4�19
Trigonometry / James Gehrmann and Thomas Lester. - San Diego : Harcourt Brace Jovanovich, c1984. - vii, 278 p. : ill. - Harcourt Brace Jovanovich college outline series Books for professionals .
0156016931 (pbk.)
Trigonometry.
QA531 / .G44 1984
516.2/4�19