Plot of Sine . The Sine Function has this beautiful up-down curve (which repeats every 2 π radians, or 360°).. It starts at 0, heads up to 1 by π /2 radians (90°) and then heads down to −1.
Sep 19, 2013 · Dubbed as the “Walkie Talkie” due to its unique shape, the skyscraper has a bend in its Facade which makes the whole building act as a converging mirror. The street opposite to the skyscraper now bears the brunt of upto 70 degree celsius of concentrated sunlight.