ENGLISH HINDI
Q.1
N.A
  s i n 2 38 ° +   c o s 2 38 ° =   ?



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Q.2
N.A
In a triangle, sides are in A.P. and biggest angle is twice of smallest, then the ratio of sides are



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Q.3
N.A
The value of cos 52 ° + cos 68 ° + cos 172 ° is



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Q.4
N.A
tan 70 ° is equals to



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Q.5
N.A
The angle of elevation of top of a tower from a point P on a plane field is 30 ° . If the height of the tower is 100m, then the distance of point P from the bottom of the tower wil be



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Q.6
N.A
Angle of elevtion of top of a tower from a point on earth is 30 ° . After walking 30m towards the building, the angle of elevation of top of the building becomes 60 ° . What is the height of the building?



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Q.7
N.A
1 sin A 1 + sin A = ?



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Q.8
N.A
The value of sin 30 ° + tan 45 ° cos 60 ° is



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Q.9
N.A
If tan tan θ = 1 2 and tan φ = 1 3 then the value of θ + φ will be



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Q.10
N.A
tan 1 ° . tan 2 ° . tan 3 ° . tan 4 ° ........ tan 80 ° is equals to



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Q.11
N.A
The value of cos 20 ° . cos 40 ° . cos 60 ° . cos 80 ° is



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Q.12
N.A
The value of sin 10 ° . sin 30 ° . sin 50 ° . sin 70 ° is



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Q.13
N.A
The value of tan 20 ° . tan 40 ° . tan 60 ° . tan 80 ° is



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Q.14
N.A
Maximum and minimum value of 7 cos θ + 24 sin θ is



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Q.15
N.A
The value of (tanA+secA-1) cos A is



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Q.16
N.A
The value of sec x 1 + tan x tan x sec x + 1 will be



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Q.17
N.A
In a triangle ABC if a = 4, b = 3 and sin A = 4 3 then the value of B is



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Q.18
N.A
1 + sin x + 1 sin x 1 + sin x 1 sin x is equal to



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Q.19
N.A
The value of cot 41 ° . cot 42 ° . cot 43 ° . cot 44 ° . cot 45 ° . cot 46 ° . cot 47 ° . cot 48 ° . cot 49 ° is equals to



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Q.20
N.A
If tan 2 B = 1 sin A 1 + sin A ,the what will be the value A + 2B



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