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 (A) 20 (sin - 1) (B) 20 (cos - 1) (C) 20 (sec - 1) (D) 20 (cosec - 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
(A) 20 (sin - 1)
(B) 20 (cos - 1)
(C) 20 (sec - 1)
(D) 20 (cosec - 1)
by

1 Answer

Answer :

(C) 20 (sec - 1)
by

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