# makefile for Lab 11# target to create all executables for this laball: trig#complete the dependency and action lines for the following targets# Problem 2 - cos()trig: # source file dependencies# You should fill these in and add any additional targets you needdriver1.o: trig.o: util.o:# utility targetsclean: rm -f *.o real_clean: clean rm -f trig a.out core