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The shadow of a tower, when the angle...

The shadow of a tower, when the angle of elevation of the sun is `45o` , is found to be 10m. longer than when it was `60o` . Find the height of the tower.

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RD SHARMA ENGLISH-SOME APPLICATIONS OF TRIGONOMETRY-All Questions
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  8. A 1.6m tall girl stands at a distance of 3.2m from a lamp-post and ...

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  10. The shadow of a tower standing on a level ground is found to be 40m...

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  14. A T.V. Tower stands vertically on a bank of a river. From a point on...

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

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  16. As observed from the top of a 75m tall light house, the angles of de...

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  17. The angle of elevation of the top of the building from the foot of t...

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  18. From a point on a bridge across a river the angles of depression of ...

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