[vc_row][vc_column][vc_tta_accordion][vc_tta_section title=”Lecture 1 Fourier Series” tab_id=”1637857637232-ec914599-6d4f”][vc_video link=”https://www.youtube.com/watch?v=MW72LV-P_2s”][/vc_tta_section][vc_tta_section title=”Lecture 2 Fourier Series” tab_id=”1637857637257-36f0e9be-25d7″][vc_video link=”https://www.youtube.com/watch?v=OoZy75MRXlo”][/vc_tta_section][vc_tta_section title=”Lecture 3 Fourier Series” tab_id=”1637857714325-84773734-3527″][vc_video link=”https://www.youtube.com/watch?v=7ebxmmC_evI”][/vc_tta_section][vc_tta_section title=”Lecture 4 Fourier Series” tab_id=”1637857715822-c806f859-669c”][vc_video link=”https://www.youtube.com/watch?v=-tU6TccKzcQ”][/vc_tta_section][/vc_tta_accordion][/vc_column][/vc_row]