NAT I General Science Mathematics With Answers

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NAT I General Science Mathematics

Sr. # Questions Answers Choice
1 Period is Tan x/5 is 5π 4π 2π π/5
2 Sin(a + b) + Sin(a- b) = Sin a Cos b Sin a Sin b Sin a + Cos b Sin a - 2Cos b
3 The value of Cos (1/2 Cos-1 1/2) is equal to √3/2 -3/4 1/16 1/4
4 If 2 Sin x Cos 2 x = Sin x then? X = nπ+ π/6 X = nπ +π/3 X = nπ +1 X = nπ + π/2
5 If Cosα = 3/5, Cosβ = 5/13, then Cos(α +β) =33/65 Sin(α +β) =56/65 sin<sup>2</sup>(α +β/2) =1/65 Cos(α +β) =63/65
6 In the triangle Δ ABC, where C is the right angle Tan A + Tan B= A +B C<sup>2</sup>&nbsp;/AB A<sup>2</sup>/BC B<sup>2</sup>/AC
7 Sin (2π -θ) =______. Cosθ -Sinθ -Sinθ -cosθ
8 Cot 360° =______. Undefined 0.707 -0.5 0
9 Sin 720° = ________ 1 0 2 1/2
10 If sinθ = 1 then θ = 2nπ +π/2 2nπ 2π +n Nπ +π/2
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