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Home > CCA2 > Chapter 12 > Lesson 12.2.1 > Problem 12-105

12-105.

    Find in each triangle below. Homework Help ✎

  1. graph a

    Use the Law of Cosines to solve this problem.

    cos

  1. graph b

    This is a right triangle, and you know the lengths of both legs. Which trig function uses this information?