URGENT Please help!!!! Which equation can be used to find the measure of angle BAC?
tan−1 = x-1 5/12=x
tan−1 = x-1 12/5=x
cos−1 = x-1 12/13=x
cos−1 = x-1 13/12=x
tan−1 = x-1 5/12=x
tan−1 = x-1 12/5=x
cos−1 = x-1 12/13=x
cos−1 = x-1 13/12=x