This video lecture from Trigonometric functions and their graphs (F.Sc. first year Mathematics) covers: Question numbers 2 of exercise 11.2. In these questions we draw the graphs of the given trigonometric functions for their complete period, on the same axes and same scale. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.