Q. Given $\theta$ is the angle between $\overrightarrow{A}$ and $\overrightarrow{B}$. Then $|\widehat{A} \times \widehat{B}\ |$ is equal to
A) Sin $\theta$
B) Cos $\theta$
C) Tan $\theta$
D) Cot $\theta$
Explanation
(a) $\left| \widehat{A} \times \widehat{B} \right| = (1)(1)$ sin$\theta$= sin$\theta$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.