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31 lines
631 B
Plaintext
31 lines
631 B
Plaintext
NAME
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acsc - inverse trigonometric cosecant
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SYNOPSIS
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acsc(x [,eps])
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TYPES
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x real, with absolute value >= 1
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eps nonzero real, defaults to epsilon()
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return real
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DESCRIPTION
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Returns the acsc of x to a multiple of eps with error less in
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absolute value than .75 * eps.
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v = acsc(x) is the number in [-pi/2, pi/2] for which csc(v) = x.
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EXAMPLE
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> print acsc(2, 1e-5), acsc(2, 1e-10), acsc(2, 1e-15), acsc(2, 1e-20)
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.5236 .5235987756 .523598775598299 .52359877559829887308
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LIMITS
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none
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LIBRARY
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NUMBER *qacsc(NUMBER *x, NUMBER *eps)
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SEE ALSO
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asin, acos, atan, asec, acot, epsilon
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