I need help with this problem, I don’t know what theorems to use.

Given:
TC, PD, TP tangent to circle k(O) at C, D, and E respectively.
TC ∥ PD
Prove:
TO ⊥ PO

I need help with this problem I dont know what theorems to use Given TC PD TP tangent to circle kO at C D and E respectively TC PD Prove TO PO class=