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$18.08 - $20.99

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Love Triangle - by Matt Parker

Riverhead Books

$13.19

MSRP $17.95

Trigonometric Delights - (Princeton Science Library) 3rd Edition by Eli Maor (Paperback)

Princeton University Press

$64.99

103 Trigonometry Problems - by Titu Andreescu & Zuming Feng (Paperback)

$17.90

MSRP $29.99

Make: Trigonometry - by Joan Horvath & Rich Cameron (Paperback)

Make Community, LLC

$67.99

MSRP $75.00

The Mathematics of the Heavens and the Earth - by Glen Van Brummelen (Hardcover)

Princeton University Press

$14.53

MSRP $19.95

Advanced Trigonometry - (Dover Books on Mathematics) by C V Durell & A Robson (Paperback)

Dover Publications

$37.99

Trigonometry - (Gelfand Mathematical Seminar) by I M Gelfand & Mark Saul (Paperback)

$9.99

A Treatise On Spherical Trigonometry - Its Application To Geodesy And Astronomy - by John Casey (Paperback)

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$24.99 - $39.95

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The Doctrine of Triangles - by Glen Van Brummelen

Princeton University Press

$24.99

Triangulo Amoroso - by Matt Parker (Paperback)

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