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The ratio of the length of a rod and its shadow is `1\ :sqrt(3)` . The angle of elevation of the sum is

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RD SHARMA-SOME APPLICATIONS OF TRIGONOMETRY-All Questions
  1. If the angles of elevation of the top of a tower from two points at...

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  2. In Fig. 12.58, what are the angles of depression from the observing...

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  3. The tops of two towers of height x and y , standing on level gro...

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  4. The angle of elevation of the top of a tower at a point on the grou...

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  5. The ratio of the length of a rod and its shadow is 1\ :sqrt(3) . The...

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  6. If the angle of elevation of a tower from a distance of 100 metres ...

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  7. If the altitude of the sum is at 60o , then the height of the ve...

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  8. If the angles of elevation of a tower from two points distant a and...

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  9. If the angles of elevation of a tower from two points distant a and...

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  10. The tops of two poles of height 20 m and 14 m are connected by a wi...

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  11. From the top of a cliff 25 m high the angle of elevation of a tower...

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  12. The angles of depression of two ships from the top of a light house...

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  13. If the angle of elevation of a cloud from a point 200 m above a lak...

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  14. The height of a tower is 100 m. When the angle of elevation of the ...

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  15. Two persons are a metres apart and the height of one is double that...

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  16. A tower subtends an angle of 30o at a point on the same level as...

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  17. It is found that on walking x metres towards a chimney in a hori...

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  18. The length of the shadow of a tower standing on level ground is fou...

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  19. The tops of two poles of height 16 m and 10 m are connected by a wi...

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  20. If a 1.5 m tall girl stands at a distance of 3 m from a lamp-post and...

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