What is the derivative of xcos(θ) ?

The derivative of xcos(θ) is cos(θ)

What is the first derivative of xcos(θ) ?

The first derivative of xcos(θ) is cos(θ)

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\frac{d}{d x} (x cos (θ))

cos (θ)

Solution steps

\frac{d}{d x} (x cos (θ))

Treat

θ

as a constant

Take the constant out:

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

= cos (θ) \frac{d x}{d x}

Apply the common derivative:

\frac{d x}{d x} = 1

= cos (θ) \cdot 1

Simplify

= cos (θ)

\int x y e^{- y x} d x

x^{2} + x y - y^{2} = - 11, (1, 4)

\frac{d}{d x} (\frac{- 2 x ^{2}}{x ^{2} - 1})

2 cot (\frac{x}{8})

x \to - 2 lim (4)

What is the derivative of xcos(θ) ?
The derivative of xcos(θ) is cos(θ)
What is the first derivative of xcos(θ) ?
The first derivative of xcos(θ) is cos(θ)