Y = sec2(x)-1, y = tan(x) y 2 2 y2 1 X 3 3 3 77 -2 1 27 -2 ww u -I 2 2 2 2 y1 2 y1 y 4 3 2 4 3 Y2 x 3 3m .2 3 2 2 -2x -I 2-1 2 y1 = y22 2 X 3x 2x 2 Use the graphs to determine whether the expressions are equivalent. Verify the results algebraically. Yes, the expressions are equivalent. No, the functions are equivalent except when tan2(x) = 22 nit 2 No, the functions are equivalent except when sec2(x) 1