derivative of cos(x+1)

解答

\frac{d}{d x} (cos (x + 1))

- sin (x + 1)

求解步骤

\frac{d}{d x} (cos (x + 1))

使用连锁律:

- sin (x + 1) \frac{d}{d x} (x + 1)

= - sin (x + 1) \frac{d}{d x} (x + 1)

\frac{d}{d x} (x + 1) = 1

= - sin (x + 1) \cdot 1

化简

= - sin (x + 1)

x^{2} y^{^{''}} - 4 x y^{^{'}} - 36 y = 0

\frac{\partial}{\partial x} (x y cos (3 x) + e^{x y})

(x + 1) y^{^{'}} - y = x

\int (2 x^{5}) d x

\frac{x d y}{d x} + y = - 8 x y^{2}, y (1) = 5