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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-5

  • question_answer
    If in a triangle ABC, cosA cosB + sinA sinB sinC =1, then a:b:c is equal to

    A)  \[1:1:\sqrt{2}\]

    B)  \[1:1:\sqrt{3}\]

    C)  \[1:\sqrt{2}:1\]             

    D)  \[1:\sqrt{3}:1\]

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available               


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