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  3. 9th Class
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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    If \[\cos x+\sin x=\sqrt{2}\,\cos x,\] then find the value of\[\tan x-\cot x\].

    A)  \[-\,2\] 

    B)  \[-\,1\]

    C)  0                                

    D)  1

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available               


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