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The inverse of [(1,sin alpha),(-sin alph...

The inverse of `[(1,sin alpha),(-sin alpha,-1)]` is

A

`[(1,-sin alpha),(-sin alpha,-1)]`

B

` -sec^(2)[(1,-sin alpha),(sin alpha,-1)]`

C

` sec^(2) alpha[(1,sin alpha),(-sin alpha,-1)]`

D

` cos^(2) alpha[(1,sin alpha),(-sin alpha,-1)]`

Text Solution

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The correct Answer is:
c
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