What is (\partial)/(\partial t)(r*cos(t)) ?

The answer to (\partial)/(\partial t)(r*cos(t)) is -rsin(t)

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(\partial)/(\partial t)(r*cos(t))

\frac{\partial}{\partial t} (r \cdot cos (t))

- r sin (t)

Solution steps

\frac{\partial}{\partial t} (r cos (t))

Treat

r

as a constant

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= r \frac{\partial}{\partial t} (cos (t))

Apply the common derivative:

\frac{\partial}{\partial t} (cos (t)) = - sin (t)

= r (- sin (t))

Simplify

= - r sin (t)

ln (, at^{c})

\int - \frac{1}{50} d x

\frac{d y}{d x} = \frac{1}{x + 1} y + 4 x^{2} + 4 x

2 (t - 2)^{2}

\frac{d y}{d x} = \frac{3 x + 1}{4 y}

What is (\partial)/(\partial t)(r*cos(t)) ?
The answer to (\partial)/(\partial t)(r*cos(t)) is -rsin(t)