EASY
JEE Main
IMPORTANT
Earn 100

The equation represents a straight line lying in:
(a)first, third and fourth quadrants
(b)second and third quadrants only
(c)first, second and fourth quadrants
(d)third and fourth quadrants only

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Important Questions on Trigonometric Ratios, Functions and Identities
MEDIUM
JEE Main
IMPORTANT
The angle of the top of a vertical tower standing on a horizontal plane is observed to be from a point A on the plane. Let be the point vertically above the point A. If the angle of elevation of the top of the tower from be , then the distance (in m) of the foot of the tower from the point is:

EASY
JEE Main
IMPORTANT
The maximum value of for any real value of is :

HARD
JEE Main
IMPORTANT
If , , then is equal to

EASY
JEE Main
IMPORTANT
If an angle of a satisfies , then the roots of the quadratic equation are

EASY
JEE Main
IMPORTANT
The angle of elevation of the top of a vertical tower from a point A, due east of it is . The angle of elevation of the top of the same tower from a point B, due south of A is . If the distance between A and B is , then the height of the tower (in meters), is:

HARD
JEE Main
IMPORTANT
If and , then the minimum positive value of is :

EASY
JEE Main
IMPORTANT
Let and be two sets. Then

EASY
JEE Main
IMPORTANT
In a , , and Then the ordered pair is equal to:
