Following are Video Lecture Links :
Unit : Fourier Series
Introduction to Fourier Series
Fourier Series: Part-1(Full Range Fourier Series)
Unit : Curve Tracing
Tracing of Polar Curves Part-1
Tracing of Polar Curves Part-2
Tracing of Polar Curves Part-3
Unit : Multiple Integrals
Application of Double Integration: Moment of Inertia
Application of Double Integration: Centre of Gravity
Application Of Triple Integration