If {:A=[(cos theta,-sintheta),(sintheta,...

If `{:A=[(cos theta,-sintheta),(sintheta,costheta)]:}`, then which one of the following is not correct?

A

A is orthogonal matrix

B

A is orthogonal matrix

C

Determinant A = 1

D

A is not invertible

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The correct Answer is:

D

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