Finite Math Examples

$\cos (x + y) (1 + z)$

Step 1

Apply the distributive property.

$\cos (x + y) \cdot 1 + \cos (x + y) z$

Step 2

Simplify the expression.

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Step 2.1

Multiply $\cos (x + y)$ by $1$ .

$\cos (x + y) + \cos (x + y) z$

Step 2.2

Reorder factors in $\cos (x + y) + \cos (x + y) z$ .

$\cos (x + y) + z \cos (x + y)$