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If A=[(0,-tan alpha/2),(tan alpha/2,0)]a...

If `A=`[(0,-tan alpha/2),(tan alpha/2,0)]`and I is the identity matrix of order 2, then` (I-A)[(`cosalpha,-sinalpha),(sinalpha,cosalpha)]` is equal to

A

A

B

/

C

/+A

D

None of these

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The correct Answer is:
C
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