Precalculus Examples

$3.8 \cos (40 π) \cdot 0.02$

Step 1

Subtract full rotations of $2 π$ until the angle is greater than or equal to $0$ and less than $2 π$ .

$3.8 \cos (0) \cdot 0.02$

Step 2

The exact value of $\cos (0)$ is $1$ .

$3.8 \cdot 1 \cdot 0.02$

Step 3

Multiply $3.8 \cdot 1 \cdot 0.02$ .

Tap for more steps...

Step 3.1

Multiply $3.8$ by $1$ .

$3.8 \cdot 0.02$

Step 3.2

Multiply $3.8$ by $0.02$ .

$0.076$