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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-30

  • question_answer
    \[\sqrt{\frac{1-\cos A}{1+\cos A}}\]is equal to

    A)  \[\text{cosec}\,A-\cot A\]

    B)  0

    C)  \[\sec A-\cot A\]

    D)  1

    Correct Answer: A

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