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Question 1
If 
then 
is equal to
then is equal to
Question 2
(1 – sinA + cosA)2 is equal to
Question 3
For the next two (2) items that follow :
Let α be the root of the equation 25 cos2 θ +5 cos θ - 12 = 0, where 
.
What is tan α equal to?
Question 4
For the next two (2) items that follow :
Let α be the root of the equation 25 cos2 θ +5 cos θ - 12 = 0, where .
What is sin2α equal to?
Question 5
The equation
is satisfied by
Question 6
What is 
equal to?
equal to?Question 7
For the next three (3) items that follow :
Consider 
and 
What is x equal to?
Question 8
For the next three (3) items that follow :
Consider and
What is x- y equal to?
Question 9
For the next three (3) items that follow :
Consider and
What is x - y + z equal to?
Question 10
The angle of elevation of the top of a tower from a point 20 m away from its base is 45°. What is the height of the tower?
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NDAJan 13NDA
