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If cos^-I x = y, then :...

If `cos^-I` x = y, then :

A

`(-pi)/2leyle(pi)/2`

B

`pi le yle pi`

C

`0ley le (pi)/2`

D

`0leyle0`

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OMEGA PUBLICATION-PUNJAB BOARD-MATHEMATICS 2018-SERIES -B
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