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Trigonometry IV

Geometry Level 2

What Is the Determinant of Matrix \(A\) ?

\(A=\begin{bmatrix} \sin x & \cos^2x & 1 \\ \sin x & \cos x & 0 \\ \sin x & 1 & 1 \end{bmatrix}\)

\[sin^2 \frac{\pi}{4}\] \[sin^3 x\] \[tan^3 \frac{\pi}{2}\] \[cos^3 x\]

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by Gabriel Merces

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