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Trigonometry, the Easy Way by Douglas Downing

Trigonometry, the Easy Way

Douglas Downing

310 pages • first pub 1984 (editions)

nonfiction education mathematics challenging informative inspiring medium-paced
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Trigonometry: The Easy Way by Douglas Downing
Trigonometry: The Easy Way
—
Douglas Downing

Trigonometry: The Easy Way

Douglas Downing

326 pages • first pub 1984 (editions)

nonfiction education mathematics challenging informative inspiring medium-paced