1. Please do prepare an AppDesigner app visualizing a function. Do consult an attached videotemplate: a. two type of functions must be supported: sine and cosine, b. three colors (red, green, blue), switched one by one once the button is pressed, c. frequency selector must be present; frequency 1Hz means, that a one full period of sine/cosine is visible for timespan of 01 s; 2[Hz]2 full periods, etc. d. function should be redrawn once the applications starts and after every control is activated (see appropirate callbacks). 2. document your program using LaTeX system (e.g. use overleaf, free cloud service). Include, minimum, title page and two sections: (1) Scope of the project, (2) Visualization. 3. document your program again using Google Tools or Microsoft office 365 (namely prepare a presentation or web page)