NAT I General Science Mathematics With Answers

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NAT I General Science Mathematics

Sr. # Questions Answers Choice
1 If a rectangle has an area 81x2 and length of 27x. then what is its width? 3x 9x 3x<sup>2</sup> 9x<sup>2</sup>
2 Cse π/3 2 1 0 2/√3
3 In 30,60,90 triangle if the smallest side is 6 than the side opposite to the angle of 60o is 12 3 6√3 6
4 Domain of Cosecθ is is R but&nbsp;θ= nπ is R but&nbsp;θ ≠ nπ is R but&nbsp;θ ≠ 2nπ is R but&nbsp;θ ≠ nπ/2
5 If 0 is not an integral multiple of π/2 then Cot4 θ+ Cot2 θ=? Cosec<sup>4</sup>&nbsp;θ -Cosec<sup>2&nbsp;</sup>θ Tan&nbsp;θ - Tan<sup>2</sup>&nbsp;θ Cosec<sup>2</sup>&nbsp;θ + Cosec&nbsp;θ Sinθ Cosθ
6 If in isosceles right angled triangle one side is a then hypotenuse is a√2 a/2 a Cannot be determined by given
7 An angle 0 is such that tan θ = 1 and cos θ is negative then Sin&nbsp;θ is positive Cos&nbsp;θ = √2/4 cosθ = -1 sec&nbsp;θ is negative
8 If sin θ= 3/5 Cos θ= 1/2 3/5 4/5 1
9 The associative angle of 280o is 100<sup>o</sup> 10<sup>o</sup> 80<sup>o</sup> -80<sup>o</sup>
10 An angle of one radian is equivalent to 90<sup>o</sup> 60<sup>o</sup> 67<sup>o</sup> 57<sup>o</sup>, 18<sup>o</sup>
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