MCQOPTIONS
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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 |
| A. | 20 (sin θ - 1) |
| B. | 20 (cos θ - 1) |
| C. | 20 (sec θ - 1) |
| D. | 20 (cosec θ - 1). |
| Answer» D. 20 (cosec θ - 1). | |