
Trigonometry refresher
by A. Albert Klaf · first published 2005
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2HN commenters
2009–2020first – last mentioned
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…even available in college unless you're a math major. If you have a sketchy trig background and need more practice and inspiration, I recommend: Trigonometric Delights by Eli Maor, for inspiration. Trigonometry Refresher by A. Albert Klaf for practice problems Advanced Trigonometry by C.V. Durell and A.Robson for examples of advanced applications Statistics is very important and totally overlooked by most hackers and…
on “Ask HN: Math for hackers.” ↗Funnily enough, haversines and the lot can be found in Dover's Trigonometry Refresher. Had.to do some revision myself for back-to-school. O.G. Artillery measurement and spherical navigation can be revised in that book, while spherical trig. can be practiced in the 1954 edition Schaum's…
on “Obsolete trig functions and why we don't use them anymore (2013)” ↗