Precalculus Archive: Questions from May 10, 2023
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Resuelve el sistema por el método de eliminación: \( \left\{\begin{array}{l}5 x=2 y-1 \\ x+4 y=35\end{array}\right. \) \[ \begin{array}{l} x=2, y=9 \\ x=2, y=8 \\ x=3, y=8 \\ x=3, y=9 \end{array} \]2 answers -
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Find all solution in the interval \( [0,2 \pi) \). (a) \( (\sin x-2)(2 \sin x+\sqrt{3})=0 \) (b) \( 2 \sin ^{2} \theta-3 \sin \theta+1=0 \) (c) \( \cos 2 x+3 \cos x+2=0 \) (d) \( \sin 2 x=\sqrt{3} \co2 answers -
Circles, Triangles, and Lines - Find the equation of the circle. \[ \begin{array}{l} (x-2)^{2}+(y+3)^{2}=3^{2} \\ (x-2)^{2}+(y+3)^{2}=9 \end{array} \] - Find the two \( y \)-intercepts. \( (x=0) \) \[2 answers -
Simplify the Trig Function - \( \csc \theta \sin \theta \) \[ \text { - } \frac{\tan \theta}{\sec \theta-\cos \theta} \] \[ \begin{array}{l} \frac{1}{\sin \theta} \cdot \sin \theta=1 \\ \frac{\frac{\s2 answers