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Question 1
If and then the value of is :
Question 2
37. In a triangle ABC, c = , A = 30o, a = , then what is C equal to ?
Question 3
Find .
Question 4
Find .
Question 5
Find the value of .
Question 6
If then
Question 7
A vertical pole stands on the level ground. From a point on the ground, 25 m away from the foot of the pole, the angle of elevation of its top is found to be . Find the height of the pole.
Question 8
A kite is flying, attached to a thread which is 165 m long. The thread makes an angle of with the ground. Find the height of the kite from the ground, assuming that there is no slack in the thread.
Question 9
In a rectangle, the angle between a diagonal and a side is and the length of this diagonal is 8 cm. The area of the rectangle is
Question 10
If , and then which relation is true ?
Question 11
If then find ?
Question 12
If x, y and z are lengths of three sides of a triangle XYZ. If x, y z are related by the relation , then the value of ?
Question 13
From the top of a 10 m high pillar , the angle of elevation of the top of a tower is and the angle of depression of its foot is . Find the height of tower :
Question 14
If sinx + cosx = a, then sin6x + cos6x
Question 15
If, then find the value of ?
Question 16
How many values of can satisfy equation given below:
Question 17
What is equal to ?
Question 18
The elevation of a building from a point on the ground is 30o.After moving towards the building by 10 m , the elevation becomes 45o.The height of the building is:
Question 19
If , then the value of is:
Question 20
If , then the value of ?
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Oct 3CDS & Defence