Derivada de $$$3 \sin{\left(x \right)} - 2$$$
Calculadoras relacionadas: Calculadora de diferenciación logarítmica, Calculadora de derivación implícita con pasos
Tu entrada
Halla $$$\frac{d}{dx} \left(3 \sin{\left(x \right)} - 2\right)$$$.
Solución
La derivada de una suma/diferencia es la suma/diferencia de las derivadas:
$${\color{red}\left(\frac{d}{dx} \left(3 \sin{\left(x \right)} - 2\right)\right)} = {\color{red}\left(\frac{d}{dx} \left(3 \sin{\left(x \right)}\right) - \frac{d}{dx} \left(2\right)\right)}$$La derivada de una constante es $$$0$$$:
$$- {\color{red}\left(\frac{d}{dx} \left(2\right)\right)} + \frac{d}{dx} \left(3 \sin{\left(x \right)}\right) = - {\color{red}\left(0\right)} + \frac{d}{dx} \left(3 \sin{\left(x \right)}\right)$$Aplica la regla del factor constante $$$\frac{d}{dx} \left(c f{\left(x \right)}\right) = c \frac{d}{dx} \left(f{\left(x \right)}\right)$$$ con $$$c = 3$$$ y $$$f{\left(x \right)} = \sin{\left(x \right)}$$$:
$${\color{red}\left(\frac{d}{dx} \left(3 \sin{\left(x \right)}\right)\right)} = {\color{red}\left(3 \frac{d}{dx} \left(\sin{\left(x \right)}\right)\right)}$$La derivada del seno es $$$\frac{d}{dx} \left(\sin{\left(x \right)}\right) = \cos{\left(x \right)}$$$:
$$3 {\color{red}\left(\frac{d}{dx} \left(\sin{\left(x \right)}\right)\right)} = 3 {\color{red}\left(\cos{\left(x \right)}\right)}$$Por lo tanto, $$$\frac{d}{dx} \left(3 \sin{\left(x \right)} - 2\right) = 3 \cos{\left(x \right)}$$$.
Respuesta
$$$\frac{d}{dx} \left(3 \sin{\left(x \right)} - 2\right) = 3 \cos{\left(x \right)}$$$A