Math, asked by asifraza43214, 8 months ago

. If A=
cos a sin a
- sin a cos a
then show that AA' = A'A= 1.

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Answered by amittindia

1

Answer:

2526728292925260162728298262829626622622829287279292826279263929369172829827292872928277289729182729282792917291982622991

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