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Online Tests
Mathematics FA Part 1 Chapter 13 Online Test MCQs With Answers
Question # 1
tan(π + tan
-1
x ) =
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x
π+x
π-x
none of these
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Question # 2
cos (2sin
-1
x) =
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1- 2x
2
1 + 2x
2
2x
2
- 1
x
2
- 1
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Question # 3
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sin x
cosec x
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Question # 4
If f(x) = arccos x, then:
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Question # 5
The domain of y = cos
-1
x function is:
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Question # 6
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cos x
sec x
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Question # 7
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tan x
cot x
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Question # 8
y = sin
-1
x if and only if x = sin y, where:
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Question # 9
tan
-1
(-x) =
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tan
-1
x
cot
-1
x
-tan
-1
x
-cot
-1
x
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Question # 10
The range of principal tangent function is:
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Question # 11
y = tan-1 x if and only if x = tan y, where:
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-1 < x < 1 and - π < y < π
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Question # 12
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Question # 13
cos
-1
(-x) =
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π + cos
-1
x
π - cos
-1
x
π + sin
-1
x
π - sin
-1
x
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Question # 14
The domain of principal cosine function is:
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Question # 15
cos(tan
-1
∞) =
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0
∞
1
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Question # 16
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0
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Question # 17
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Question # 18
If x is positive or zero, then the principal value of any inverse function of x, if it exists lies in the interval:
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