de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Rechnen >

derivative of cos(20x)

Lösung

\frac{d}{d x} (cos (20 x))

Lösung

- sin (20 x) \cdot 20

Schritte zur Lösung

\frac{d}{d x} (cos (20 x))

Wende die Kettenregel an:

- sin (20 x) \frac{d}{d x} (20 x)

= - sin (20 x) \frac{d}{d x} (20 x)

\frac{d}{d x} (20 x) = 20

= - sin (20 x) \cdot 20

Graph

Beliebte Beispiele

tangent 7+5x+xe^x

t an g e n t 7 + 5 x + x e^{x}

limit as x approaches 8+of (x-9)/(x-8)

x \to 8 + lim (\frac{x - 9}{x - 8})

(\partial)/(\partial x)(ae^{ax+y})

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

d/(dy)((cy(x))/(x^2+y^2))

\frac{d}{d y} (\frac{cy ( x )}{x ^{2} + y ^{2}})

integral of 1/(tan^2(x)+1)

\int \frac{1}{tan ^{2} ( x ) + 1} d x