48:00 Sir tangents intersects the circle at one point nu solla koodathu nu sonninga...But slide la The circle and a line intersects each other at one point nu kuduthurukinga sir...Na evlo active ah iruken nu parunga sir coz I'm ur student...😜❤️✨
Illa bro, Sir "intersecing" word intha ethathula use panna kudathu nu sonnanga because it means the line is touching the circle at two points, but tangentla only once intersect aganum, so it will be wrong to use the word intersecting(because it means touching the circle at two points)😃👍