The video shows a person's hand pointing to a whiteboard with mathematical equations written on it. The equations are related to trigonometry, and the person is explaining how to solve them. The whiteboard has several lines of text, and the person's hand is pointing to different parts of the equations as they explain. The person's voice can be heard in the background, providing further explanation. The video is shot from a close-up angle, focusing on the whiteboard and the person's hand.