Chapter 9.5, Problem 1AYU

To determine

In a triangle with sides a, b, c and angles A, B, C , the Law of Cosines states

That _________.

Answer to Problem 1AYU

Solution:

  $c^2=a^2+b^2-2ab\cos C$

Explanation of Solution

In a triangle with sides a, b, c and angles A, B, C , the Law of Cosines states that $c^2=a^2+b^2-2ab\cos C$ .