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CBSE Class 10 Answered

a vert6ical tower stands ona horizontal plane and is surmounted by a vertial flag staff of height h.At a point on the plane,the angle of elevation of bottom of the flag staff is 'A' and that of the top of the flag staff is 'B'.Prove that the height of the tower is htanA/tanB-tanA.
Asked by ajan. m.j. | 18 Dec, 2013, 04:34: PM
answered-by-expert Expert Answer
Answered by | 18 Dec, 2013, 04:54: PM

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CBSE 10 - Maths
Two pillars are standing on either side of a 80 m wide road. Height of one pillar is 20 m more than the height of the other pillar. From a point on the road between the pillars, the angle of elevation of the higher pillar is 60°, whereas that of the other pillar is 30°. Find the position of the point between the pillars and the height of each pillar. (Use √3 = 1-73)
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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
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CBSE 10 - Maths
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