Which expression represents the length of line segment BC ?
A
the fraction with numerator sine of open paren 66 degrees close paren and denominator 3 times sine times open paren 38 degrees close parenB
the fraction with numerator sine of open paren 38 degrees close paren and denominator 3 times sine times open paren 66 degrees close parenC
the fraction with numerator 3 times sine times open paren 38 degrees close paren and denominator sine of open paren 66 degrees close parenD
the fraction with numerator 3 times sine times open paren 66 degrees close paren and denominator sine of open paren 38 degrees close paren