Home > PC > Chapter 6 > Lesson 6.1.2 > Problem6-31

6-31.

Use the Law of Cosines or Law of Sines to find the value of x in each triangle below. REMEMBER TO CHANGE TO DEGREE MODE!

Law of Sines

$\frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C}$

Law of Cosines

$a^{2} = b^{2} + c^{2} − 2bcCos\left(A\right)$