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A student lists four expressions and wants the… · Answer | StemPy Lab
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A student lists four expressions and wants the one that has no real value at all. Which one should she pick?
Mathematics
Medium
High School (11–12)
Trigonometry › Inverse Trigonometric Functions
Board Exam
CUET UG
Created by
StemPy Lab
A student lists four expressions and wants the one that has no real value at all. Which one should she pick?
cosec
−
1
1
3
\operatorname{cosec}^{-1}\dfrac{1}{3}
cosec
−
1
3
1
sec
−
1
(
−
1
)
\sec^{-1}(-1)
sec
−
1
(
−
1
)
tan
−
1
40
\tan^{-1}40
tan
−
1
40
sin
−
1
1
3
\sin^{-1}\dfrac{1}{3}
sin
−
1
3
1
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