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Question 1
A radio transmitter antenna of height 100 m stands at the top of a tall building. At a point on the ground, the angle of elevation of bottom of the antenna is 
and that of top of antenna is 
. What is the height of the building ?
and that of top of antenna is . What is the height of the building ?Question 2
Find the value of sec A (1-sin A) (sec A + tan A)/sin2 45 cos245
Question 3
Consider the following equations :
1)
2)
3)
Which of the above statements are correct ?
1)
2)
3)
Which of the above statements are correct ?
Question 4
Find the value of (cosecθ2-sec2θ )/ (cosec2θ+sec2θ) if tanθ = 1/√10
Question 5
Given that 
Then the value of θ is?
Then the value of θ is? Question 6
if 
then which one of the following is correct ?
then which one of the following is correct ?Question 7
Consider the following statements
I. The value of
increases faster than 
as 
increases.
II. The value of
is always greater than 1
Which of the following statements given above is/are true.
I. The value of
increases faster than as increases. II. The value of
is always greater than 1 Which of the following statements given above is/are true.
Question 8
If cos 
and 
α & β lies between 0 and 
then the value of tan 
is
Question 9
if 
and 
then what is 
equal to ?
and then what is equal to ?Question 10
Which one of the following is true for 
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Oct 28CDS & Defence
