hi

am new to this forum and may be am posting in the wrong section and even my topic is strange

but i have a real problem in applying fourier series on real numbers

i know that u don't do homeworks for others but this is not a homework (i finished study since 2002) and in this days facing a problem in applying fourier series on a real case as shown in the attached pic

if any one here is kindly show me how to do that or even plot this data in a sine cosine curve it will help me very much

i need the procedures so that i can learn ......by the way i'v searched the web and read about fourier series but because am not good in math i didnt understand so i decide to ask for help here