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Mathematics ECAT Pre Engineering Chapter 15 Inverse Trigonometric Functions Online Test MCQs With Answers
Question # 1
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Question # 2
Ifπ≤x≤2π, then cos-1 (cos x)=
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cos x
-x
1/x
-x
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Question # 3
The value of sin
-1
5/13 is equal to
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Cos 5/13
Tan
-1
5/12
cos
-1
5/12
2 cos
-1
4/5
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Question # 4
sin (sin
-1
(1/2))=
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0
2
∞
1/2
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Question # 5
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Question # 6
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Question # 7
sin -1(sin2π/3) =
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π/2
2π/3
-3π/2
π/3
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Question # 8
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Question # 9
The exact degree value of the function sin-1( -√3/2) is
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70
ο
50
ο
90
ο
60
ο
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Question # 10
sin
-1
x =
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tan
-1
x
Cosec
-1
x
Cosec x
cosec
-1
(1/x)
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Question # 11
Cos-1(x)=
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cos x
x
tan-1(-x)
Sec-1 (1/x)
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Question # 12
The exact value of cos-1 (0) is
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π/2
-π/2
3π
π-π/6
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