Which of the following | Mathematical Tools

JEE MAIN 2022

22-06-2022 S2

Question

Which of the following relations is true for two unit vectors $\hat{A}$ and $\hat{B}$ making an angle $\theta$ to each other?

Select the correct option:

$|\hat{A}+\hat{B}|=|\hat{A}-\vec{B}| \tan \frac{\theta}{2}$

$|\hat{A}-\hat{B}|=|\hat{A}+\vec{B}| \tan \frac{\theta}{2}$

$|\hat{A}+\hat{B}|=|\hat{A}-\vec{B}| \cos \frac{\theta}{2}$

$|\hat{A}-\hat{B}|=|\hat{A}+\vec{B}| \cos \frac{\theta}{2}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Medium

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