A) [tex3]\theta =\arccos \left(\frac{9}{\sqrt{238}}\right)[/tex3]
B) [tex3]\theta =\arccos \left(-\frac{\sqrt{157}}{9}\right)[/tex3]
C) [tex3]\theta =\arccos \left(-\frac{9}{\sqrt{238}}\right)[/tex3]
D) [tex3]\theta =\arccos \left(\frac{\sqrt{157}}{9}\right)[/tex3]
E) [tex3]\theta =\arccos \left(\frac{9}{\sqrt{238}}\right)[/tex3]
GAB:A