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Dominican Republic Homework Resources

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Dominican Republic
d) \( (-5 z+2 y)-(2 z-5 y-7 x-1)+(-3 z-4 y-9 x) \) \( -(-4 y+8 x-5)= \)
Algebra Nov 11, 2024
c) \( (7 \times 4-5 \times 5+4 \times 2-7)+(x 3-3 \times 2-5+x) \)
Algebra Nov 11, 2024
Demuestra la slguiente igualdad: \[ \frac{(\operatorname{sen} x+\cos x) \cdot \cos 2 x}{\cos x-\operatorname{sen} x}=1+\operatorname{sen} 2 x \] Resuelve la ecuación \[ 4 \cos 2 x=1-3 \cos x \] Si \( \operatorname{sen} a=0,35 \) y \( 0^{\circ}<\alpha<90^{\circ} \) halla sin calcular \( \alpha \) \( \begin{array}{ll}\text { a) } \operatorname{sen}\left(180^{\circ}-a\right) & \text { b) } \cos \left(180^{\circ}+\text { a }\right)\end{array} \)
Trigonometry Nov 10, 2024
Resuelve la ecuación \[ 4 \cos 2 x=1-3 \cos x \]
Trigonometry Nov 10, 2024
Demuestra la sigulente igualdad: \[ \frac{(\operatorname{sen} x+\cos x) \cdot \cos 2 x}{\cos x-\operatorname{sen} x}=1+\operatorname{sen} 2 x \]
Trigonometry Nov 10, 2024
Demuestra la siguiente igualdad: \[ \frac{(\operatorname{sen} x+\cos x) \cdot \cos 2 x}{\cos x-\operatorname{sen} x}=1+\operatorname{sen} 2 x \]
Trigonometry Nov 10, 2024
\( \angle x y z < 3 x y \)
Geometry Nov 09, 2024
e) \( \log (x-3)+\log (x+2)=\log (10-x) \)
Algebra Nov 07, 2024
d) \( \log (x-3)=\log 2+\log (x-2) \)
Algebra Nov 07, 2024
c) \( \log _{2} x+\log _{2} 4 x=4 \)
Algebra Nov 07, 2024
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