urgent!! show that the function f: R-----> R defined by f(x) = sin (2x+5) is neither one-one nor onto Share with your friends Share 0 Koka Sri Lakshmi Divya Sai answered this Santhoshini u r rightcheers...!! -2 View Full Answer Santhoshini V. answered this for x=0 and x= pi you get the same value of y as sin 5. so it is many -one.range [-1,1]codomain= Rso it is not ontohope you got it!!!!!! -2