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Q.

Statement-I : $\sin^{- 1} x = x$ has only one solution
Statement _II : $\cos^{- 1} x = x$ has only one solution
Which of the above is true?

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a

only II

b

both I & II

c

only I

d

Neither I nor II

answer is C.

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Detailed Solution

$(I) \sin^{- 1} x = x no . of so l u t i o n s = 1$ Question Image

$(II) \cos^{- 1} x = x one sol u t i o n$ Question Image

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Statement-I : sin-1 x=x has only one solutionStatement _II : cos-1x=x has only one solution Which of the above is true?