Which equation correctly uses the law of cosines to solve for y ?
A
y squared is equal to 9 squared plus 19 squared minus 2 9 19 cosine open paren 41 degrees close parenB
y squared is equal to 9 squared plus 19 squared minus 2 y 19 cosine open paren 41 degrees close parenC
9 squared is equal to y squared plus 19 squared minus 2 y 19 cosine open paren 41 degrees close parenD
9 squared is equal to y squared plus 19 squared minus 2 9 19 cosine open paren 41 degrees close paren