Trigonometry /

Edwards, Cyril.

Trigonometry / by Cyril Edwards ; edited by Wilkinson, Angela. - London : Macdonald and Co., 1974. - 24 p. : col ill ; 28 cm. - Macdonald Educational Colour Units, Mathematics .

0356046702 (hbk.)


Trigonometry.
Trigonometry - For schools.
Mathematics.

516​.24

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