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A vertical tower standing at the corner ...

A vertical tower standing at the corner of a rectangular field subtends angles of 60° and 45° at the two nearer corners. If theta is the angle that the tower subtends at the farthest corner, then what is cot theta equal to?

A

`1/2`

B

2

C

`2/sqrt(3)`

D

`4/sqrt(3)`

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