Eli Maor
Contributor
Adjunct Professor of Mathematics, Loyola University, Chicago Illinois. Author of June 8, 2004: Venus in Transit; Trigonometric Delights and others.
Primary Contributions (1)
Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and…
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