RT
Arccosine sine de x.
Tá an t-arccosine sine de x cothrom le (nuair is é k uimhir slánuimhir k ∈ℤ):
arccos (sin x ) = π / 2 - arcsin (sin x )
= π / 2 - ( x +2 k π)
= - x - 2 k π + π / 2
= - x + (0.5-2 k ) π
Feidhm arccos ►
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