question 1.1
question 1.2
question 2.1
question 2.2
question 3
question 4
we change R_relative to rotate around z-axis for 270 degrees
we change T_relative to move along z-axis for further 3 units
we change around y-axis for 15 degrees and translated along -x for 0.2 units and -y direction for 1 units
we rotate around y-axis for 90 degrees and trasltated along -x for 3 units and z directions for 3 units
question 5.1
question 5.2
question 5.3