frankierabbit8506 frankierabbit8506 28-11-2022 Mathematics contestada What is the value of arc cosine (negative startfraction startroot 3 endroot over 2 endfraction)? startfraction pi over 6 endfraction startfraction pi over 4 endfraction startfraction 3 pi over 4 endfraction startfraction 5 pi over 6 endfraction.