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Recent questions tagged angles
+1
vote
1
answer
If x = a cos θ + sin θ. y = a sin θ – b cos θ. Show that x^2 + y^2 = a^2 + b^2
asked
Apr 3, 2019
in
Class 11
by
kratos
angles
class-11
trigonometric ratio
+3
votes
1
answer
Find the gravitational field strength and potential at the centre of arc of linear mass density λ subtending an angle 2α at the centre.
asked
Apr 1, 2019
in
JEE
by
kratos
irodov
trigonometric ratio
cbse
class-11
jee
angles
class-10
jee mains
surface areas and volumes
gravitation
+2
votes
1
answer
Show that tanA/(1 - cotA) + cotA/(1 - tanA) = 1 + secAcosecA.
asked
Mar 18, 2019
in
Class 11
by
kratos
angles
class-11
trigonometric ratio
+1
vote
1
answer
Write the complement angle of : (i) 45° (ii) x°
asked
Mar 11, 2019
by
kratos
angles
class-5
icse
class-6
+2
votes
1
answer
Find the value of ‘x’ for each of the following figures :
asked
Mar 9, 2019
in
Mathematics
by
kratos
angles
class-5
+3
votes
1
answer
In the given figure : (i) If ∠AOB = 45°, ∠BOC = 30° and ∠AOD= 110°; find : angles COD and BOD.
asked
Mar 8, 2019
in
Class 11
by
kratos
trigonometric ratio
class-11
lines and angles
angles
class-6
class-7
icse
class-9
class-5
+2
votes
1
answer
For an angle x°, find : (i) the complementary angle
asked
Mar 7, 2019
by
kratos
angles
icse
class-6
+3
votes
1
answer
Find the complement of : (i) 2/5 of 210°
asked
Mar 6, 2019
by
kratos
angles
class-5
icse
class-6
+3
votes
1
answer
Evaluate: 4/3tan^2120° + 3sin^2300° – 2cosec^2240°- cot^260°
asked
Mar 2, 2019
in
Class 11
by
kratos
trigonometric ratio
class-11
angles
trigonometric identities
class-10
trigonometric ratios
standard angles
allied angles
+1
vote
1
answer
In the given figure, lines AB and CD intersect at point O. (i) Find the value of ∠a.
asked
Feb 20, 2019
by
kratos
angles
class-5
icse
class-6
+2
votes
1
answer
Express : (i) 5 litre of milk in cubic meter (m^3) (ii) 25° C in Kelvin.
asked
Feb 8, 2019
in
Class 11
by
kratos
trigonometric ratio
variation
capacity
class-8
class-11
angles
class-10
coordinate geometry
class-5
+1
vote
1
answer
write the supplement angle of: (i) 50% of 120°
asked
Feb 2, 2019
by
kratos
angles
class-5
icse
class-6
+2
votes
1
answer
Two adjacent angles forming a linear pair are in the ratio 7:5, find the angles.
asked
Jan 29, 2019
by
kratos
angles
icse
class-6
+3
votes
1
answer
In the given figure, PQR is a straight line. Find x. Then complete the following: (i) ∠AQB = ……..
asked
Jan 24, 2019
by
kratos
angles
icse
class-6
+2
votes
1
answer
In the given figure ; PQR is a straight line. If : (i) ∠SQR = 75° ; find ∠PQS.
asked
Jan 11, 2019
by
kratos
angles
icse
class-6
+3
votes
1
answer
In the given figure, figure out the number of angles formed within the arms OA and OE.
asked
Jan 3, 2019
by
kratos
angles
class-5
icse
class-6
+3
votes
1
answer
Find the angle : (i) that is equal to its complement ?
asked
Dec 10, 2018
by
kratos
angles
class-5
icse
class-6
+2
votes
1
answer
Prove that (1 - cosθ)/sinθ = sinθ/(1 + cosθ)
asked
Dec 5, 2018
in
Class 11
by
kratos
angles
class-11
trigonometric ratio
+2
votes
1
answer
The measures of two complementary angles are (2x-7) and (x+4) find x
asked
Dec 2, 2018
by
kratos
angles and pairs of angles
lines and angles
angles
class-6
class-7
icse
+2
votes
1
answer
In the given figure; AB, CD and EF are straight lines. Name the pair of angles forming : (i) straight line angles.
asked
Nov 14, 2018
in
Class 9
by
kratos
lines and angles
angles
class-9
class-6
icse
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