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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-19

  • question_answer
    In a \[\Delta \,ABC,\] right angled at B and if AB = 5 cm and \[AC-BC=1\,cm,\] then _______.

    A)  \[\cos \,A=\frac{12}{13}\]                    

    B)  \[\sin A=\frac{5}{13}\]

    C)  \[\tan \,C=\frac{5}{12}\]

    D)  \[\sec C=\frac{12}{13}\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available               


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