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A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of `30o` , which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depres

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A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at angle of depression of 30o , which is approaching to the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60o . Find the further time taken by the car to reach the foot of the tower.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at angle of depression of 30^0, which is approaching to the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60^0dot Find the further time taken by the can to reach the foot of the tower.

A straight highway leads to the foot of a tower of height 50m .From the top of the tower,the angles of depression of two cars standing on the highway are 30o and 60o respectively. What is the distance between the two cars and how far is each car from the tower?

From the top of a cliff 300 metres high, the top of a tower was observed at an angle of depression 30^@ and from the foot of the tower the top of the cliff was observed at an angle of elevation 45^@ , The height of the tower is

At a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30^@ The height of the tower is

From the top of a 10 m high building, the angle of elevation of the top of a tower is 60^@ and the angle of depression of its foot is 45^@ . Find the height of the tower

From the top of a 7m high building,the angle of elevation of the top of a tower is 60 and the angle of depression of the foot of the tower is 30. Find the height of the tower.

TARGET PUBLICATION-TRIGONOMETRY -Chapter Assessment
  1. cot 60^(@) =

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  2. tantheta . Cot theta =

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  3. When we see at a lower level , from the horizontal line , angle formed...

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  4. 9 sec^(2) A - 9 tan^(2) A =

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  5. If the distance of a point from the tower is equal to the height of th...

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  6. If cosec theta = (13)/(12) , then find the values of cot theta and sin...

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  7. Prove the identity sin^(2)theta + cos^(2) theta = 1 with the help of g...

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  8. A person standing at a distance of 90 m from a church observes the ang...

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  9. (tantheta + sintheta)/(tantheta - sintheta) =(sectheta + 1 )/ (secthe...

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  10. If cos theta + (1)/(cos theta) = 4 , then prove that cos^(2) theta + ...

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  11. Prove the following: sec^6 x - tan^6 x = 1 + 3sec^2 x xx tan^2x

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  12. A tree breaks due to storm and the broken part bends, so that the top ...

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  13. Two buildings are in front of each other on a road of width 15 meters....

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  14. If tan theta = 1, then find the value of (sin theta + cos theta)/(sec ...

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  15. A straight highway leads to the foot of a tower. A man standing at ...

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  16. If sin theta+tan theta =P then prove that (p^2-1)/(p^2+1)=sin theta

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  17. If 3 tan^(2)theta - 4sqrt(3)tan theta + 3 = 0, find the acute angle th...

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  18. Eliminate theta if x=a cot theta -b cosec theta and y=acot theta+b cos...

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