@RupamMistri-k8x he wrote on the glass and have a camera behind the glass that he was writing on. But you might realized that then the camera will capture a mirror of what you will see from his side(in front of the glass). So he basically just reflect the video and that is it.
Quick Review of Properties of Logarithms - ua-cam.com/video/kIH77z8Wyfk/v-deo.html
You are the best teacher ever!!!!!!!
I have a unit 7 test tmr wish me luck!
Hello sir , what is that which you writing at??
glass
@RupamMistri-k8x he wrote on the glass and have a camera behind the glass that he was writing on. But you might realized that then the camera will capture a mirror of what you will see from his side(in front of the glass). So he basically just reflect the video and that is it.