Law of Cosines Calculator

# Law of Cosines Calculator

γ
a
b
c

109.47°
Gamma( γ )
5
Side A
6
Side B
9
Side C

## What Is Law of Cosines Calculator ?

Uses the law of cosines to calculate unknown sides of a triangle. In order to calculate the unknown values you must enter 3 known values.

Gamma( γ ) = ?
a = 10
b = 9
c = 3

Gamma( γ ) = 3
a = ?
b = 2
c = 3

Gamma( γ ) = 3
a = 4
b = ?
c = 5

Gamma( γ ) = 3
a = 4
b = 6
c = ?