e-content
Introduction to Trigonometry.
https://youtu.be/0eRy7u3xnfc
Innovative work
Properties of circles and it's theorems (working model)
https://youtu.be/Z5FQEJijBjU
https://youtu.be/sSA6O1MZ_60
https://youtu.be/UTDQF8i_RB4
https://youtu.be/xy4zRo5rrAI
https://youtu.be/tTAY0Sjektc