# A brief course in trigonometry, by David Raymond Curtiss and

Format: Unknown Binding

Language: English

Format: PDF / Kindle / ePub

Size: 8.91 MB

Please consider donating whatever amount is manageable by clicking on the Paypal graphic. More difficult: can you understand the reason why a linear combination of sine waves is another sine wave? This is because the graph of y = sin(x) looks like a wave. Of course, if t is, say, close to 90^o, then the error expression will be small, because cos t will be close to zero. They may have done well in mathematics at school but have forgotten most of it, or are out of practice and slow at it.

Pages: 17

Publisher: D.C. Heath and company (1940)

ISBN: B0006AP194

Trigonometry at Ordinary Level

Plane and spherical trigonometry, with tables,

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# Download A brief course in trigonometry, by David Raymond Curtiss and Elton James Moulton pdf

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