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If A=[[sectheta, tantheta, 0], [tantheta...

If `A=[[sectheta, tantheta, 0], [tantheta, sectheta, 0], [0, 0, 1]]`, then `A^(-1)=`

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The correct Answer is:
`A^(-1) = [(sec theta,-tan theta,0),(-tan theta,sec theta,0),(0,0,1)]`
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-MATRICES
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