Trigonometry Examples

$- \sin (x) - 3 \cos (x)$

Step 1

Factor $- 1$ out of $- \sin (x) - 3 \cos (x)$ .

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Step 1.1

Factor $- 1$ out of $- \sin (x)$ .

$- (\sin (x)) - 3 \cos (x)$

Step 1.2

Factor $- 1$ out of $- 3 \cos (x)$ .

$- (\sin (x)) - (3 \cos (x))$

Step 1.3

Factor $- 1$ out of $- (\sin (x)) - (3 \cos (x))$ .

$- (\sin (x) + 3 \cos (x))$

Step 2

Apply the distributive property.

$- \sin (x) - (3 \cos (x))$

Step 3

Multiply $3$ by $- 1$ .

$- \sin (x) - 3 \cos (x)$

Step 4