Hmm...I'm still not getting the answers it is giving:
0.97, 1.85, 4.11, 5.00 (in the textbook)
After doing calculations, the 2 roots are:
x = 0.449
x2 = 4.449
I convert both xs back into tan(theta).
tan(theta1) = 0.449
tan(theta2) = 4.449
Solve for both degree.
tan(theta1) = 24.2 degrees
tan(theta2) = 77.3 degrees
Convert both to radians.
theta1 = 0.422
theta 2 = 1.34
Which do not resemble the answers in the textbook. I'm lost.