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"tan"|x| = |"tan" x|, if...

`"tan"|x| = |"tan" x|`, if

A

`x in [(-pi(2k+1))/(2)-pik]`

B

`[pik,(pi(2k+1))/(2)]`

C

`x in [(pi(2k-1))/(2),pik]k in N`

D

none of these

Text Solution

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The correct Answer is:
b
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