how to do this
Q. The side QR of PQR is produced to a point S. If the bisectors of PQR and PRS meet at a point T, prove that .
Kindly refer to the following link for the solution to your query:
https://www.meritnation.com/ask-answer/question/solve-this-q6-in-fig-6-44-the-side-qr-of-pqr/lines-and-angles/12008095
https://www.meritnation.com/ask-answer/question/solve-this-q6-in-fig-6-44-the-side-qr-of-pqr/lines-and-angles/12008095