8. Let AL, BM, and CN be three concurrent Cevians of AABC. Use Menelaus' theorem to prove that AN BL CM X X NB LC MA -= 1. (Hint: Apply Menelaus' theorem to the two triangles associated to transversals BFM [points B, F, and M are collinear] and AFL [points A, F, and L are collinear]). M A F N B

8. Let AL, BM, and CN be three concurrent Cevians of AABC. Use Menelaus' theorem to prove that AN BL CM X X NB LC MA -= 1. (Hint: Apply Menelaus' theorem to the two triangles associated to transversals BFM [points B, F, and M are collinear] and AFL [points A, F, and L are collinear]). M A F N B

Trigonometry (11th Edition)

11th Edition

ISBN:9780134217437

Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Chapter1: Trigonometric Functions

Section: Chapter Questions

Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.

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