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Question 1
If cos(A/2) = x; then the value of x is:
Question 2
In a Δ, 
Find the value of 
sec B.
Find the value of sec B. Question 3
If 3 sinθ + 4 cos θ = 5 (0 < θ < 90°); then the value of sinθ is:
Question 4
Find the minimum value of 
Question 5
The height of two pillars are 25 and 16 cm respectively and the distance between them is x cm. If the angle of elevation from one's foot to other's top are Q1 & Q2 and Q1+Q2 = 900 then find the value of x.
Question 6
If secθ + tanθ = 2; then the value of secθ is:
Question 7
If Sec θ = 5/3, then what is the value of Cosecθ?
Question 8
The simplified form of the expression sinA.cos A(tan A – cot A) is: (where 0° ≤ A ≤ 90°)
Question 9
What is the value of sin 30o - cosec 45o?
Question 10
A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?
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Sep 11SSC & Railway
