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Evaluate the following determinants: (...

Evaluate the following determinants:
(b) `|(cos theta, -sin theta),(sin theta, cos theta)| = cos theta (cos theta) - sin theta(-sin theta) = cos^(2) theta + sin^(2) theta = 1`

Text Solution

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The correct Answer is:
`x^(3) - x^(2) + 2`
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