Solve -sin(7)2*2/5

$$\frac{ - \sin ( 7 ) 2 \cdot 2 }{ 5 }$$

Evaluate

$$-0.097495474724117984$$

Solution Steps

Evaluate trigonometric functions in the problem

$$\frac{-0.12186934340514748 \cdot 2 \cdot 2}{5}$$

Multiply -0.12186934340514748 and 2 to get -0.24373868681029496.

$$\frac{-0.24373868681029496\times 2}{5}$$

Multiply -0.24373868681029496 and 2 to get -0.48747737362058992.

$$\frac{-0.48747737362058992}{5}$$

Expand \frac{-0.48747737362058992}{5} by multiplying both numerator and the denominator by 100000000000000000.

$$\frac{-48747737362058992}{500000000000000000}$$

Reduce the fraction \frac{-48747737362058992}{500000000000000000} to lowest terms by extracting and canceling out 16.

$$-\frac{3046733585128687}{31250000000000000}$$

Factor

$$-0.097495474724117984$$