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ECAT Pre General Science Mathematics Chapter 12 Trigonometric Functions and Identities Online Test MCQs With Answers
Question # 1
tan (-135°) = ______
θ
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0
1
2
3
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Question # 2
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Question # 3
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Question # 4
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Question # 5
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Question # 6
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Question # 7
In any triangle ABC,with usual notationαsinβ =____;
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b sinα
bsinβ
αsinα
None of these
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Question # 8
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Question # 9
Fundamental law is
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Question # 10
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Question # 11
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 # 12
cos2a=______;
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cos2 a-sin2 a
2cos2 a-1
1-2 sin2 a
All of these
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Question # 13
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Question # 14
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Question # 15
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Question # 16
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-sin
θ
cos
θ
sin
θ
-cos
θ
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Question # 17
Let P(x
1
, y
1
) and Q(x
2
, y
2
) be two points in the co-ordinate plane. Let d = distance between P and Q
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Question # 18
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Question # 19
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Question # 20
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Question # 21
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Question # 22
sin(180° -
θ)=
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cos
θ
-cos
θ
Tan
θ
Sin
θ
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Question # 23
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Question # 24
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Question # 25
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Question # 26
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Question # 27
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