Which expressions can be used to find m angle BAC ? Choose three correct answers.
A
sine inverse of open paren 6 point 9 over 12 close parenB
tangent inverse of open paren 9 point 8 over 6 point 9 close parenC
cosine inverse of open paren 9 point 8 over 12 close parenD
cosine inverse of open paren 6 point 9 over 12 close parenE
sine inverse of open paren 9 point 8 over 12 close paren