The angle between vector $(\overrightarrow{{A}})$ and $(\overrightarrow{{A}}-\overrightarrow{{B}})$ is :

981-935

  • [JEE MAIN 2021]
  • A

    $\tan ^{-1}\left(\frac{-\frac{{B}}{2}}{{A}-{B} \frac{\sqrt{3}}{2}}\right)$

  • B

    $\tan ^{-1}\left(\frac{{A}}{0.7 {B}}\right)$

  • C

    $\tan ^{-1}\left(\frac{\sqrt{3} {B}}{2 {A}-{B}}\right)$

  • D

    $\tan ^{-1}\left(\frac{{B} \cos \theta}{{A}-{B} \sin \theta}\right)$

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