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CBSE Class 12 Math 2023 Delhi Set 3 Solved Paper

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SECTION - C
This section comprises of Short Answer (SA) type questions of 3 marks each.
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Question : 9 of 12
Marks: +1, -0
Show that the determinant ∣xsin⁡θcos⁡θ−sin⁡θ−x1cos⁡θ1x∣\begin{vmatrix} x & \sin \theta & \cos \theta \\ -\sin \theta & -x & 1 \\ \cos \theta & 1 & x \end{vmatrix} is independent of θ\theta.
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