C4a: Trigonometric, inverse trigonometric


F06BCF   Recover cosine and sine from given real tangent
F06CCF   Recover cosine and sine from given complex tangent, real cosine
F06CDF   Recover cosine and sine from given complex tangent, real sine
S07AAF   tan x
S09AAF   arcsin x
S09ABF   arccos x

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© The Numerical Algorithms Group Ltd, Oxford UK. 2001