Trigonometry:
Downing, Douglas.
Trigonometry: The easy way/ Douglas Downing. - 3rd ed. - Hauppauge, NY : Barron's, 2001. - ix, 326 p.: ill.; 28 cm.
Includes index.
0764113607 (pbk.)
00062157
Trigonometry.
QA 531 / .D683 2001
516.24
Trigonometry: The easy way/ Douglas Downing. - 3rd ed. - Hauppauge, NY : Barron's, 2001. - ix, 326 p.: ill.; 28 cm.
Includes index.
0764113607 (pbk.)
00062157
Trigonometry.
QA 531 / .D683 2001
516.24