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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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