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« Back to Previous Page
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A. 20 (sin θ - 1)
B. 20 (cos θ - 1)
C. 20 (sec θ - 1)
D. 20 (cosec θ - 1).
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C. 20 (sec θ – 1) |
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