What is the limit as x approaches pi of cos(3x) ?

The limit as x approaches pi of cos(3x) is -1

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limit as x approaches pi of cos(3x)

x \to π lim (cos (3 x))

- 1

Solution steps

x \to π lim (cos (3 x))

Plug in the value

x = π

= cos (3 π)

Simplify

cos (3 π) : - 1

= - 1

\frac{d}{d x} (2 x 64 - x^{2})

x \to - 1 lim (- 1^{3})

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

\int tan^{2} (x) d tan (x) d x

\int 25 - x^{2} d x

What is the limit as x approaches pi of cos(3x) ?
The limit as x approaches pi of cos(3x) is -1