2000017105 | math4u.vsb.cz

SubArea:

Matrices and determinants

Level:

Project ID:

2000017105

Accepted:

0

Clonable:

0

Easy:

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Let

x

be a real number. Determine the inverse matrix to the matrix:

(\begin{matrix} \cos x & - \sin x \\ \sin x & \cos x \end{matrix})

(\begin{matrix} \cos x & \sin x \\ - \sin x & \cos x \end{matrix})

(\begin{matrix} 1 & 0 \\ 0 & 1 \end{matrix})

(\begin{matrix} \frac{\cos x}{\sin 2 x} & \frac{\sin x}{\sin 2 x} \\ - \frac{\sin x}{\sin 2 x} & \frac{\cos x}{\sin 2 x} \end{matrix})

The inverse matrix does not exist.

Fixed Answer:

Last Fixed