trigonometric functions
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31: Guide to Searching the DLMF
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Table 1: Query Examples
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►For example, you may want equations that contain trigonometric functions, but you don’t care which trigonometric function.
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Query | Matching records contain |
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trigonometric |
the word ”trigonometric” or any of the various trigonometric functions such as , , , and . |
trig$ |
any word that matches the pattern “trig$ ”, that is, that starts with “trig”,
such as “trigonometric” and “trigonometry”, including the various trigonometric functions such as and .
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trigonometric^2 + trig$^2 |
any sum of the squares of two trigonometric functions such as . |
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All the inverse trigonometric functions (arcsin vs. Arcsin, etc.).
32: 4.40 Integrals
33: 28.11 Expansions in Series of Mathieu Functions
34: 28.23 Expansions in Series of Bessel Functions
35: 4.37 Inverse Hyperbolic Functions
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4.37.4
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►Each is two-valued on the corresponding cut(s), and each is real on the part of the real axis that remains after deleting the intersections with the corresponding cuts.
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4.37.7
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4.37.8
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4.37.9
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