Precalculus Examples

$r = 2 (\sin (x) - \cos (x))$

Step 1

Simplify $2 (\sin (x) - \cos (x))$ .

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Step 1.1

Apply the distributive property.

$r = 2 \sin (x) + 2 (- \cos (x))$

Step 1.2

Multiply $- 1$ by $2$ .

$r = 2 \sin (x) - 2 \cos (x)$

$r = 2 \sin (x) - 2 \cos (x)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$