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Question 1
At a point on a horizontal line through the base of a monument, the angle of elevation of the top of the monument is found to be such that its tangent is 
. On walking 138 metres towards the monument the secant of the angle of elevation is found to be 
The height of the monument (in metre) is
. On walking 138 metres towards the monument the secant of the angle of elevation is found to be The height of the monument (in metre) isQuestion 2
From the top of a building, 60 m high, the angles of depression of the top and bottom of a tower are observed to be 
and 
. Thus, the height of the tower is
and . Thus, the height of the tower is Question 3
Two men are on opposite sides of a tower. They measure the angles of elevation of the top of the tower as 30o and 45o, respectively. If the height of the tower is 50 m, find the distance between the two men. 
Question 4
If (1 + tan1o) . (1 + tan2o) . (1 + tan3o) …… (1 + tan44o) = 2n, then n will be
Question 5
The value of 
is
is Question 6
The simplified value of 
is
isQuestion 7
The value of sin10°.sin50°.sin70° is equal to
Question 8
The value of 
will be
will be Question 9
Question 10
The value of 
is equal to
is equal to - 3691 attempts
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Mar 18SSC & Railway
