h^-1(x)=? show work please! Thanks.. also accidentally put this as an answer somewhere pls ignore that!
9cos(-(x+1)) = 7-h cos(-(x+1)) = (7-h)/9 -(x+1) = arccos((7-h)/9) x+1 = -arccos((7-h)/9) x = -1-arccos((7-h)/9)
You can ask a new question or answer this question.