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ECAT Mathematics Chapter 12 Trigonometric Functions and Identities Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
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quadrant I
quadrant II
quadrant III
quadrant IV
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Question # 4
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Question # 5
cos
θ/2=
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Question # 6
tan (-135°) = ______
θ
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0
1
2
3
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Question # 7
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Question # 8
cos 315° = ______
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Question # 9
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Question # 10
sin 540° =
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1
2
3
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Question # 11
Tan(
α
-
β
)=
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Question # 12
cos
4
θ
- sin
4
θ
=
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cos4
θ
cos2
θ
-sin
θ
sin2
θ
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Question # 13
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Question # 14
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1
2
-2
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Question # 15
sec (-360°) = ______
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0
1
2
3
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Question # 16
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Question # 17
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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
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Question # 23
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Question # 24
sin (
α
+
β
) - sin (
α -
β
) =
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4 cos
α
sin
β
2 cos
α
sin
β
4 cos
α
cos
β
4 sin
α
sin
β
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Question # 25
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Question # 26
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Question # 27
Tan 2
θ=
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Question # 28
cos 2
α=
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sin
2
α
+ cos
2
α
-cos
θ
tan
θ
None of these
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Question # 29
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 # 30
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Question # 31
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