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  1. While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance

    2. A.

    20 (sin θ - 1)
    B.

    20 (cos θ - 1)
    C.

    20 (sec θ - 1)
    D.

    20 (cosec θ - 1).

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    Answer : Option C

    Explanation :

    No answer description available for this question

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