Show that the equation 3x - 2 + cos(x/2) = 0 has exactly one root.
Show that the equation 3x - 2 + cos(pi x / 2) = 0 has exactly one root.
(This problem may be clearer in the attached file.)
Show that the equation 3x - 2 + cos(pi x / 2) = 0 has exactly one root.