NAT I General Science Mathematics With Answers

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NAT I General Science Mathematics

Sr. # Questions Answers Choice
1 Sin-1 x =? π/2- Sin<sup>-1</sup> x π/2 -Cos<sup>-1</sup> x -Sin<sup>-1</sup> x -Cos<sup>-1</sup> x
2 Sin-1 (-x) =? Sin<sup>-1</sup> x -Sin<sup>-1</sup> x Cos<sup>-1</sup> x -Cos<sup>-1</sup> x
3 Period of Sin 2x = π 4π 2nπ 2π
4 What is the period of Cot x? 2π π π/2 4π
5 What is the domain of y = Cot-1 x? Set of irrational numbers only Set of all real numbers Set of integers only Set of complex numbers only
6 What is the domain of y= Sin-1 x? -1&nbsp;≤ x&nbsp;≤1 1&nbsp;≤ x&nbsp;≤ 1 0&nbsp;≤ x&nbsp;≤&nbsp;π -π/2&nbsp;≤ x&nbsp;≤ π/2
7 If A = (3,8) and B = (5,6) then the distance between A and B is
 2√2 2 1 6
8 Sin x + Cos x=1 x= π π/2 π/3 π/4
9 If Sin θ =Cosθ then θ= 30° 45° 60° 90°
10 Cos 315° = 0.707 0.5 1 0
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