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Modern computers and pocket calculators now generate trigonometric function values on demand, using special libraries of mathematical code. Often, these libraries use pre-calculated …
That value is also the standard formation energy (∆ Gf °) for an Fe 2+ ion, since e− and Fe (s) both have zero formation energy. Data from different sources may cause table inconsistencies. …
Standard normal table In statistics, a standard normal table, also called the unit normal table or Z table, [1] is a mathematical table for the values of Φ, the cumulative distribution function of the …
Mathematical table Facing pages from a 1619 book of mathematical tables by Matthias Bernegger, showing values for the sine, tangent and secant trigonometric functions. Angles …
Trigonometric values in terms of square roots and fractionsIn mathematics, the values of the trigonometric functions can be expressed approximately, as in , or exactly, as in . While …
The table of chords, created by the Greek astronomer, geometer, and geographer Ptolemy in Egypt during the 2nd century AD, is a trigonometric table in Book I, chapter 11 of Ptolemy's …
The zeta function values listed below include function values at the negative even numbers (s etc.), for which ζ s and which make up the so-called trivial zeros. The Riemann zeta function …
A formula for computing the trigonometric identities for the one-third angle exists, but it requires finding the zeroes of the cubic equation 4x3 − 3x + d = 0, where is the value of the cosine …
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