Calculus Examples

$f (x) = \cos (x)$ , $g (x) = - 2 \cos (\frac{x}{3})$

Step 1

Set up the composite result function.

$f (g (x))$

Step 2

Evaluate $f (- 2 \cos (\frac{x}{3}))$ by substituting in the value of $g$ into $f$ .

$f (- 2 \cos (\frac{x}{3})) = \cos (- 2 \cos (\frac{x}{3}))$