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An aeroplane, when 3000 m high, passes v...

An aeroplane, when 3000 m high, passes vertically above anthoer aeroplane at an instant when the angles of elevation of the two planes from the same point on the ground are `45^(@)" and "60^(@)` respectively. Find the vertical distance between the tow planes.

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The correct Answer is:
1268 m
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CBSE COMPLEMENTARY MATERIAL-SOME APPLICATIONS OF TRIGONOMETRY-SHORT ANSWER TYPE QUESTIONS
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  2. In the figure, two persons are standing at the opposite direction P & ...

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  3. In the figure, find the value of AB.

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  4. In the figure, find the value of CF.

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  5. If the horizontal distance of the boat from the bridge is 25 m and the...

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  6. State True/False. If the length of the shadow of a tower is increasi...

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  7. If a man standing on a plat form 3 m above the surface of a lake obser...

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  8. The angle of elevation of the top of a tower is 30^(@). If the height ...

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  9. From the top of a hill, the angles of depression of two consecutive ...

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  10. The string of a kite is 150 m long and it makes an angle 60^(@) with t...

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  11. The shadow of a vertical tower on level ground increases by 10 m when ...

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  12. An aeroplane at an altitude of 200 m observes angles of depression of ...

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  13. The angle of elevation of a tower at a point is 45^(@). After going 40...

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  14. The upper part of a tree broken over by the wind makes an angle of 30^...

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  15. A vertical flagstaff stands on a horizontal plane. From a point 100 m ...

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  16. The length of a string between kite and a point on the ground is 90 m....

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  17. An aeroplane, when 3000 m high, passes vertically above anthoer aeropl...

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  18. A 7 m long flagstaff is fixed on the top of a tower on the horizontal...

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  19. From the top of a 7 m high building, the angle of elevation of the top...

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  20. Anand is watching a circus artist climbing a 20m long rope which is ti...

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