English
Hindi
3-1.Vectors
easy

$\vec A $ અને $\vec B $ પરિણામી સદિશ $\vec A $ ને લંબ છે .$\vec A $ અને $\vec B $ વચ્ચેનો ખૂણો કેટલો હશે ?

A

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

B

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

C

${\sin ^{ - 1}}\,\,\left( {\frac{A}{B}} \right)$

D

${\sin ^{ - 1}}\,\,\left( { - \frac{A}{B}} \right)$

Solution

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Standard 11
Physics

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