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Select the correct option from the given alternatives: `cos^-1(-x) =...` A) `-cos^-1x` B) `pi-cos^-1x` C) `cos^-1x` D) `pi+cos^-1x`

A

`-cos^-1x`

B

`pi-cos^-1x`

C

`cos^-1x`

D

`pi+cos^-1x`

Text Solution

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