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
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