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Question 1
What is the value of:
Question 2
If the value of sinθ + cosθ = then the value of sinθ.cosθ is :
Question 3
(tan3θ−tan2θ−tanθ) is equal to:
Question 4
The value of is:
Question 5
If cos 11π/6 = x, then the value of x is
Question 6
Find the square root of the following summation.
152(sin 30° + 2cos2 45° + 3sin 30° + 4cos2 45° +........................+ 17sin 30° + 18cos2 45°)
152(sin 30° + 2cos2 45° + 3sin 30° + 4cos2 45° +........................+ 17sin 30° + 18cos2 45°)
Question 7
If cot(A/2) = x ; then the value of x is
Question 8
The angles of elevation of the top of a building from the top and bottom of a tree are 30o and 60o respectively. If the height of the tree is 50 m, then what is the height of the building?
Question 9
If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:
Question 10
If and ; then the value of (2cot2x−3sec2x) is:
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Oct 4SSC & Railway