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Question 1
If 
then
then
Question 2
Question 3
What is the simplified value of cosec 2A + cot 2A?
Question 4
Find the maximum value of 64sinA x 256cosA.
Question 5
A boat is moving away from an observation tower. It makes an angle of depression of 60° with an observer's eye when at a distance of 50m from the tower. After 8 seconds, the angle of depression becomes 30°. By assuming that it is running in still water, find out the speed of the boat.
Question 6
If xsin3 θ + ycos3 θ = sinθ cosθ and x sinθ – y cosθ = 0, then the value of x2 + y2 equals
Question 7
If 
then the value of 
is?
then the value of is?Question 8
is equal to?Question 9
The shadow of tower becomes 60 metres shoter when the attitude of sun changes from 30o to 45o. Then the height of the tower is
Question 10
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Sep 7SSC & Railway
