NAT I General Science Mathematics With Answers

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NAT I General Science Mathematics

Sr. # Questions Answers Choice
1 In the figure PS is perpendicular to QR, if PQ = PR 26 and P8 = 24,then QR= 10 20 40 26
2 120° degrees are equal to how many radians? π/3 radians 2π/3 radians π/4 radians π/2 radians
3 The principal value of sin-1 [√3/2] is π/3 -π/3 2π/3 5π/3
4 If Sin-1 x + cos-1 y = π, then x and y are Associative angles Complementary angles Reflex angles Supplementary angles
5 Cos-1 (-x) =_______. π +cos<sup>-1</sup>&nbsp;x π -sin<sup>-1</sup>&nbsp;x π +sin<sup>-1</sup>&nbsp;x π -cos<sup>-1</sup>&nbsp;x
6 Which of the following is not defined? Arcsin 1/9 ArcCos (-4/3) Arctan 11/12 Arccot (-4)
7 AreCot √3 =? π/2 π 2π π/6
8 Sin-1 (√2/2)=? π/2 π/3 3π/4 2π
9 Sin-1 √3/2 =? 2π/3 π/2 π/3 v/5
10 Tan (π + Tan-1 x) =? Tan x X -x Cot<sup>-1</sup> x
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