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Question

If A(α,β)=cos αsin α0sin αcos α000eβ, then (A(α,β))1 is equal to

A
A(α,β)
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B
A(α,β)
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C
A(α,β)
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D
A(α,β)
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Solution

The correct option is A A(α,β)
We have, (A(α,β))1=adjA|A|=1eβeβcos αeβsin α0eβsin αeβcos α0001

=A(α,β)

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