Law of Cosines...3

[nycmathguy]

Section 6.2

 

[MathLover1]

you made mistake calculating b
if you have
b=sqrt(9^2+6^2-2*9*6*cos(75.33))
b=sqrt(89.64884344186855)
b=9.46830731661518
b=9.47

 

[nycmathguy]

you made mistake calculating b
if you have
b=sqrt(9^2+6^2-2*9*6*cos(75.33))
b=sqrt(89.64884344186855)
b=9.46830731661518
b=9.47

Thank you for pointing out my errors. Mistakes lead to learning.