Mathematics ECAT Pre Engineering Online Test With Answers

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Mathematics ECAT Pre Engineering Online Test

Sr. # Questions Answers Choice
1
2 3 sec<sup>2</sup>x 3 sec<sup>2</sup>3x sec<sup>2</sup>3x sec<sup>2</sup>x
3 cos 2x 2 cos 2x 2 sin2x -2 cos2x
4 none of these
5 none of these
6 none of these
7
8
9 100 99 0 none of these
10 x<sup>3</sup> 3x<sup>2</sup> 3x 3
11 0 -1 1 not defined
12 0 -1 1 not defined
13
14
15 0 -1 1 -2
16 0 -1 1 2
17 0 -1 1
18
19 0 -1 1 1/2
20 cos x sec x tan x sec<sup>2</sup>x -cosec<sup>2</sup>x
21 sec x tan x -cosec x cot x sec<sup>2</sup>x -sin x
22 -cosec<sup>2</sup>x -sec<sup>2</sup>x - cosec x cot x cosec x
23 sec x tan x cos<sup>2</sup>x sin<sup>2</sup>x sec<sup>2</sup>x
24
25 - cos x sin x - sin x sec x
26 cos x - sin x - cos x tan x
27
28 100x <sup>99</sup> 100x <sup>101</sup> -99x <sup>99</sup> -100x <sup>101</sup>
29 none of these
30
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