What is the limit as x approaches 0 of cos(9x) ?

The limit as x approaches 0 of cos(9x) is 1

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limit as x approaches 0 of cos(9x)

x \to 0 lim (cos (9 x))

1

Solution steps

x \to 0 lim (cos (9 x))

Plug in the value

x = 0

= cos (9 \cdot 0)

Simplify

cos (9 \cdot 0) : 1

= 1

n = 1 \sum \infty n 2^{- n}

\int x y e^{y^{2} x} d y

\frac{3}{e ^{x} + e ^{- x}}

\frac{d}{d x} (k e^{x})

x sin (\frac{y}{x}) \frac{d y}{d x} = y sin (\frac{y}{x}) + x

What is the limit as x approaches 0 of cos(9x) ?
The limit as x approaches 0 of cos(9x) is 1