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Two pillars of equal height and on either side of a road, which is 100m wide. The angles of elevation of the top of the pillars are `60o` and `30o` at a point on the road between the pillars. Find the position of the point between the pillars and the height of each pillar.

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The correct Answer is:
43.3 m
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S CHAND IIT JEE FOUNDATION-SOME APPLICATIONS OF TRIGONOMETRY-Unit Test - 6
  1. Two pillars of equal height and on either side of a road, which is ...

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  2. If tan x = (3)/( 4) , 0 lt x lt 90^(@) , then what is value of sin x ...

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  3. What is the expression (tan x )/( 1 + sec x) - (tan x)/( 1 - sec x) e...

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  4. If tan theta = 1 and sin phi = (1)/(sqrt(2)), and theta, phi in[0,pi/...

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  5. If cos theta = (3)/(5) , then the value of (sin theta - tan theta + ...

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  6. Given x cos theta + y sin theta = 2 and x cos theta - y sin theta ...

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  7. Which of the following is /are the value (s) of the the expression ? ...

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  8. If sin A = (2 m n)/( m^(2) + n^(2)) , What is the value of tan A ?

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  9. If sec^(2) theta + tan^(2) theta = (5)/(3) and 0 le theta le (pi)/(2)...

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  10. Evaluate : (5 sin ^(2) 30^(@) + cos ^(2) 45^(@) + 4 tan ^(2) 60^(@))/(...

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  11. Evaluate : ( 5 cos ^(2) 60^(@) + 4 sec^(2) 30^(@) - tan^(2) 45^(@))/( ...

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  12. The value of sin^(2) 1^(@) + sin^(2) 2^(@) + sin^(2) 3^(@)+ . . . . +...

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  13. If tan 2 A = cot ( A - 60^(@)) , where 2 A is an acute angle then th...

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  14. Evaluate : ( 2 cos 53^(@) cosec 37^(@))/(( cos^(2) 29^(@) + cos^(2) 61...

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  15. Evaluate : sin theta cos theta - (sin theta cos (90^(@) - theta) co...

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  16. Using trigonometric identities 5 cosec ^(2) theta - 5 cot ^(2) theta ...

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  17. The angle of elevation of the top of a tower at a horizontal distanc...

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  18. a person aims at a bird on top of a 5 metre high pole with an elevati...

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  19. Horizontal distance between two pillars of different heights is 60 m...

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  20. The angles of elevation of the top of a tower h metre tall from two di...

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  21. A radio transmitter antenna of height 100 m stands at the top of a ta...

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