Ge̍k-saⁿ-kak hâm-sò͘

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sò͘-ha̍k tiong, ge̍k-saⁿ-kak hâm-sò͘ (逆三角函數; inverse trigonometric functions), ia̍h-sī hoán-saⁿ-kak hâm-sò͘ (反三角函數), sī saⁿ-kak hâm-sò͘ ê ge̍k-hâm-sò͘.

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Ge̍k-chèng-hiân
Ge̍k-û-hiân
Ge̍k-chèng-chhiat
Ge̍k-û-chhiat
Ge̍k-chèng-kat
Ge̍k-û-kat