Multiple Choice Questions on If tan 1 2 and tan 1 3 are the two angles of a triangle then the third angle is ........ for 11th Standard Preparation

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Multiple Choice Questions

If tan 1 2 and tan 1 3 are the two angles of a triangle then the third angle is ........

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    If tan-1 2 and tan-1 3 are the two angles of a triangle then the third angle is:

     

    75°                     

    Incorrect Answer

    60°                                

    Incorrect Answer

     45°                                 

    Correct Answer

     90°

    Incorrect Answer
    Explanation:

     45°   

    By: Swaminath Yadav
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