What is the derivative of 1-3cos(x) ?

The derivative of 1-3cos(x) is 3sin(x)

What is the first derivative of 1-3cos(x) ?

The first derivative of 1-3cos(x) is 3sin(x)

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\frac{d}{d x} (1 - 3 cos (x))

3 sin (x)

Solution steps

\frac{d}{d x} (1 - 3 cos (x))

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d x} (1) - \frac{d}{d x} (3 cos (x))

\frac{d}{d x} (1) = 0

\frac{d}{d x} (3 cos (x)) = - 3 sin (x)

= 0 - (- 3 sin (x))

Simplify

= 3 sin (x)

x \to - 5 lim (25 - x^{2})

x \to \frac{π}{3} lim (\frac{1}{cot ( x )})

x^{2} + 4 x + 8

\frac{\partial}{\partial x} (x^{2} + yz)

x \frac{d y}{d x} + \frac{y ^{2}}{x} = y

What is the derivative of 1-3cos(x) ?
The derivative of 1-3cos(x) is 3sin(x)
What is the first derivative of 1-3cos(x) ?
The first derivative of 1-3cos(x) is 3sin(x)