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JEE Questions for Maths Trigonometric Ldentities And Equations Quiz 18 - MCQExams.com
JEE
Maths
Trigonometric Ldentities And Equations
Quiz 18
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A.P
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G.P
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H.P
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None of these
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1
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1/2
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2
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-1
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2)
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2)
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2)
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None of these
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2)
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1
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If the sides of a right angles triangle be in A.P., then they will be in the ratio
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1:2:3
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2:3:4
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3:4:5
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4:5:6
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Right angled
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Right angled isosceles
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Isosceles
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Obtuse angled
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2)
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2)
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2)
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0
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1
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If the sides of a triangle are in A.P., then the cotangent of its half the angles will be in
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H.P
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G.P
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A.P
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No particular order
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Equilateral
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Isosceles
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Right angled
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Obtuse angled
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2)
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2)
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A.P
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G.P
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H.P
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A.G
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2)
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2)
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2)
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None of these
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A.P
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H.P
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G.P
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None of these
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2)
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2)
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None of these
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0
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1
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±1
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2
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None of these
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5
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7
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8
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10
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None of these
The two adjacent sides of a cyclic quadrilateral are 2 and 5 and the angle between them is 60
o
. If the third side is 3, the remaining fourth side is
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2
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4
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5
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None of these
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One solution
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Two solutions
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No solution
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None of these
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Infinite
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Two
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One
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Nil
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2)
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None of these
If one side of a triangle is double the other and the angles opposite to these sides differ by 60
o
, then the triangle is
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Isosceles
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Right angled
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Obtuse angled
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Acute angled
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None of these
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1
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2
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The perimeter of a ΔABC is 6 times the arithmetic mean of the sines of its angles. If the side a is 1, then the angle A is
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1
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2
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4
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None of these
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A.P
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H.P
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G.P
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None of these
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2)
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None of these
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3:1
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2:1
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1:2
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1:3
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