Question

If $|\bar u|=3,|\bar v|=2\ and\ |\bar u\times \bar v|=3$, then the angle between $\bar u\ and\ \bar v$ is equal to

• A. $\frac{\pi}{4}\ or\ \frac{3\pi}{4}$
• B. $\frac{\pi}{6}\ or\ \frac{5\pi}{6}$
• C. $\frac{\pi}{3}\ or\ \frac{2\pi}{3}$
• D. $\frac{\pi}{2}$
• E. 0

Answer 1

Answer: (B)

$\frac{\pi}{6}\ or\ \frac{5\pi}{6}$

Answer 2

The correct option is (B) : $\frac{\pi}{6}\ or\ \frac{5\pi}{6}$