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ECAT Pre General Science Mathematics Chapter 12 Trigonometric Functions and Identities Online Test MCQs With Answers
Question # 1
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Question # 2
sin
2
α
cos
2
α
=
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-1
0
1
None of these
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Question # 3
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Question # 4
Distance between A(3, 8), B(5, 6) is
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Question # 5
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Question # 6
sin 2
α
=
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Question # 7
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Question # 8
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Question # 9
cos 2
α=
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1 - 2 sin
2
α
sin
2
α
+ cos
2
β
sin
2
α
- cos
2
β
None of these
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Question # 10
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Question # 11
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Question # 12
sec (-360°) = ______
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0
1
2
3
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Question # 13
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1
2
-2
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Question # 14
sin(180° -
θ)=
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cos
θ
-cos
θ
Tan
θ
Sin
θ
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Question # 15
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Question # 16
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Question # 17
Fundamental law is
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Question # 18
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Question # 19
cos
4
θ
- sin
4
θ
=
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cos4
θ
cos2
θ
-sin
θ
sin2
θ
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Question # 20
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Question # 21
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Question # 22
tan
θ
/2
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Question # 23
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Question # 24
Which one is a pair of allied angles
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(180° -
θ)
(180° -
θ,
180° +
θ)
(180° +
θ)
None of these
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Question # 25
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Question # 26
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Question # 27
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quadrant I
quadrant II
quadrant III
quadrant IV
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