Use the diagram to derive the law of cosines, Fill in the missing statements in the derivation
B
a
1) a² = h²42
2) h2=
3) 2 = 12 + (6 - 3)2
4) 2 =h²4
5) 2 = 02 - y2 + b2 - 2bx +32
6) 2 = Q² +62
7) x = acosc
8) c2 = + b22abcosc
h
x
b-x
С
A
DONE