What is the derivative of d/(dt)(cos(2t)) ?

The derivative of d/(dt)(cos(2t)) is -sin(2t)*2

What is the first derivative of d/(dt)(cos(2t)) ?

The first derivative of d/(dt)(cos(2t)) is -sin(2t)*2

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derivative of

\frac{d}{d t} (cos (2 t))

- sin (2 t) \cdot 2

Solution steps

\frac{d}{d t} (cos (2 t))

Apply the chain rule:

- sin (2 t) \frac{d}{d t} (2 t)

= - sin (2 t) \frac{d}{d t} (2 t)

\frac{d}{d t} (2 t) = 2

= - sin (2 t) \cdot 2

What is the derivative of d/(dt)(cos(2t)) ?
The derivative of d/(dt)(cos(2t)) is -sin(2t)*2
What is the first derivative of d/(dt)(cos(2t)) ?
The first derivative of d/(dt)(cos(2t)) is -sin(2t)*2