Graph negative radians in standard form

The video tutorial explains the concept of radians, emphasizing that they are not degrees. It describes how radians are the radius wrapped around a circle and provides a step-by-step explanation of calculating π radians. The tutorial also highlights the importance of understanding radians in terms of circle geometry and concludes with a brief Q&A session.

Explain the concept of 'one radian' as described in the text.

What does the speaker mean by 'the radius wrapped around the circle'?