"MATHEMATICS / Geometry / General" . . "Trigonometry." . . . . . . . "Provides information on the various aspects of trigonometry, including basic lines, angles of the triangle, and trigonomic functions." . . . "Trigonometry" . . "Juvenile works" . "Electronic books"@en . . "Trigonometry smarts!"@en . "Trigonometry smarts!" . . . . . . "\"Re-inforce classroom learning of important trigonometry topics such as square roots, the Pythagorean Theorem, tangents, radians, and degrees\"--Provided by publisher."@en . . "\"Re-inforce classroom learning of important trigonometry topics such as square roots, the Pythagorean Theorem, tangents, radians, and degrees\"--Provided by publisher." .