Algebra Archive: Questions from April 11, 2023
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2. Some Trigonometric Identities (a) \( \cos ^{2} x+\sin ^{2} x=1 \) (b) \( 1+\tan ^{2} x=\sec ^{2} x \) (g) \( \tan x=\frac{\sin x}{\cos x} \) (c) \( 1+\cot ^{2} x=\csc ^{2} x \) (h) \( \cot x=\frac{1 answer -
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Encuentra la media. Redondea a la décima más cercana. Valor Frecuencia 12 3 19 5 23 3 27 6 34 1 37 11 answer
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in english for the response please
Determina el valor de la suma y el producto de las raices mediante la relación entre ellas. 1. \( 4 x^{2}-9=0 \) 6. \( x^{2}+4 x+3=0 \) 2. \( x^{2}-25=0 \) 7. \( -x^{2}+x+12=0 \) 3. \( x^{2}-x=0 \) 82 answers -
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necesito la solución
Para cada una de las siguientes funciones se pide lo siguiente: raficar (b) Estudiar signo (c) Hallar el recorrido (d) Estudiar la vari (e) Clasifique la funcion de ser posible (1) \( f:[-2,+\infty) \0 answers -
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Dada la sigutente funcion \( f: I \rightarrow R / f(x)=\left\{\begin{array}{c}m x+3 \text { si } x \leq-1 \\ x-1 \text { si } x>0\end{array}\right. \) se pide lo siguiente: (a) Hallar el valor de \( m0 answers -
Dada la siguiente funcion \( f: I \rightarrow R / f(x)=\left\{\begin{array}{cc}-1 & \text { si } x2\end{array}\right. \) se pide lo siguiente: (a) Hallar I (dominio) de \( f \) (b) Estudiar signo (d)0 answers -
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