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Recent questions tagged jeemain2019maths
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The Boolean expression ∼(p⇒(∼q)) is equivalent to :
asked
Jun 4
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Brainiak
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jeemain
jeemain2019maths
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A plane which bisects the angle between the two given planes 2x – y + 2z – 4 = 0 and x + 2y + 2z – 2 = 0, passes through the point :0
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Jun 3
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Brainiak
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The equation of the common tangent to the curves y^2 = 8x and xy =  1 is
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Brainiak
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jeemain2019maths
jeemain
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tangentsandnormal
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The general solution of the differential equation (y^2 – x^3 )dx – xydy = 0 (x ≠ 0) is :
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Jun 3
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Brainiak
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jeemain2019maths
jeemain
maths
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Let a ∈ (0,π/2) be fixed. If the integral ∫ tan x + tan α/tan x  tan α dx = A(x) cos 2α + B(x) sin 2α + C, where C is a
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Jun 3
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by
Brainiak
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2
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jeemain2019maths
jeemain
imp
+2
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2
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A bird is sitting on the top of a vertical pole 20 m high and its elevation from a point O on the ground is 45°
asked
Mar 19
in
Trigonometry
by
Gyani

93
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jeemain2014
jeemain2019maths
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vote
1
answer
If x = √3/2 + i/2(i = √1), then (1 + iz + z5 + iz8)9 is equal to 
asked
Mar 15
in
Complexnumber
by
Gyani

11
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jeemain2019maths
+1
vote
1
answer
If (z  α)/(z + α) (α ∈ R) is a purely imaginary number and z = 2, then a value of α is :
asked
Mar 15
in
Complexnumber
by
Bharat

62
views
jeemain2019maths
+1
vote
1
answer
Let A={θϵ(π/2π):3+2isinθ/12isinθ is purely imaginary} then the sum of elements in A is
asked
Mar 14
in
Complexnumber
by
Sarthak

36
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complexnumbers
jeemain
jeemain2019maths
+1
vote
1
answer
The value of cos π/2^2.cosπ/2^3..... .cosπ/2^10.sinπ/2^10
asked
Mar 14
in
Trigonometry
by
Brainiak
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6.0k
points)

60
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jeemain2019maths
0
votes
1
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tanA/(1cotA) + cotA/(1tanA) can be written as
asked
Mar 11
in
Trigonometry
by
Ajink Gupta
(
4.0k
points)

37
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jeemain2019maths
+1
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1
answer
cos210°  cos10°cos50° + cos250° is equal to (1) 3/2 (2) 3/4 (3) 3/2(cos20° + 1) (4) 3/4(cos20° + 1)
asked
Mar 11
in
Trigonometry
by
Ajink Gupta
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4.0k
points)

104
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jeemain2019maths
0
votes
1
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Two vertical poles of heights, 20 m and 80 m stand a part on a horizontal plane
asked
Mar 10
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Trigonometry
by
Ajink Gupta
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4.0k
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9
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jeemain2019maths
0
votes
1
answer
If cos (α + β) = 4/5 and sin (α – β) = 5/13 , where they lie between 0 and π/4, find the value of tan2α
asked
Mar 10
in
Trigonometry
by
Ajink Gupta
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4.0k
points)

44
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jeemain2019maths
+1
vote
1
answer
If alpha=cos^1(3/5) , beta=tan^1(1/3), where 0<alpha,beta<π/4 , then alphabeta is equal to
asked
Mar 10
in
Trigonometry
by
Ajink Gupta
(
4.0k
points)

61
views
jeemain2019maths
0
votes
1
answer
The maximum value of 3cos theta+5sin{thetaπ/6) for any real value of theta is
asked
Mar 10
in
Trigonometry
by
Ajink Gupta
(
4.0k
points)

34
views
jeemain2019maths
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