Q6Numerical6 Marks21 Dec 2025Define S={A=[abc32] | A is orthogonal, and a,b,c∈R}S = \left\{ A = \begin{bmatrix} a & b \\ c & \frac{\sqrt{3}}{2} \end{bmatrix} \;\middle|\; A \text{ is orthogonal, and } a, b, c \in \mathbb{R} \right\}S={A=[acb23]A is orthogonal, and a,b,c∈R}. What is the cardinality of SSS?Your answerPress Enter to check.