The angle of elevation of the top of vertical tower from a point |
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b) |
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The angle of elevation of the top of vertical tower from a point |
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a) |
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b) |
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c) |
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d) |
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(a)
Let be the height
of the tower and
are the points of observations
We have, ,
On applying cosine rule in , we get
In
Figures A and B are related in a particular manner. Establish the same relationship between figures C and D by choosing a figure from amongst the five alternatives, which would replace the question mark in fig. (D).
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