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A person from the top of a building of height 25 m has observed another building top and bottm at an angle of elevation `45^(@)` and at an angle of depression `60^@` respectively. Draw the diagram for this data.

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BEYOND PUBLICATION-APPLICATIONS OF TRIGNOMETRY-EXERCISE
  1. A boat has to cross a river. It crosses river by making an angle of 60...

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  2. The angles of elevation of Top of a rock from the Top and foot of 200 ...

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  3. A person from the top of a building of height 25 m has observed anothe...

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  6. The tops of two poles of heights 10 metres and 12 metres are connected...

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  7. The slope of a hill makes an angle of 60^@ with the horizontal. If one...

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  8. If the shadow of 10 m high tree is 10 sqrt 3 m. Then find the angle of...

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  9. If a tree of heigh 21 m is broken but not completely separated and the...

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  10. From the top of a 10 m high tower, the angle of depression of a point ...

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  11. The angle of elevation of the top of a tower from a point situated at ...

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  12. If altitude of the sun is 60 degrees, the height of a tower which cast...

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  13. The ratio of the lengths of a tree and its shadow is 1 : (1 / sqrt 3) ...

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  14. The length of the string of a kitef flying at 100m above the ground wi...

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  15. The angle of elevation of the top of a tower from a point of the groun...

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  16. The angle of elevation of the top of a tree from a point at a distance...

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  17. A steel pole is 10 m high. To keep the pole upright one end of a steel...

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  18. If the angle of elevation of Sun is 45^(@), then the length of the sha...

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  19. A tower subtends an angle alpha at a point A on the same level as the ...

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  20. In the diagram if PQRS is a square of side 3 cm and angle PTS = 60^@. ...

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