Tangent Secant Theorem (A Maths Tuition) Nice Proof of Tangent Secant Theorem: http://www.proofwiki.org/wiki/Tangent_Secant_Theorem Note: The term “Square of Sum less Square” means The proof of the Tangent Secant Theorem, though not tested, is very interesting. In particular, the proof of the first case (DA passes through center) should be accessible to stronger students. The illustration for theorem about tangent and secant (Photo credit: Wikipedia) AdvertisementShare this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketEmailPrintLike this:Like Loading... Related Author: mathtuition88 Math and Education Blog View all posts by mathtuition88