Solve 2*(cos(pi/30)+sin(pi/30))

$$2 \times ( \cos ( \frac{ \pi }{ 30 } ) + \sin ( \frac{ \pi }{ 30 } ) )$$

Evaluate

$$2.19810071727185352$$

Solution Steps

Evaluate trigonometric functions in the problem

$$2 \cdot {(0.9945218953682733 + 0.10452846326765346)}$$

Add 0.9945218953682733 and 0.10452846326765346 to get 1.09905035863592676.

$$2\times 1.09905035863592676$$

Multiply 2 and 1.09905035863592676 to get 2.19810071727185352.

$$2.19810071727185352$$

Factor

$$\frac{3 \cdot 109 \cdot 1714801158703 \cdot 7 ^ {2}}{2 ^ {14} \cdot 5 ^ {17}} = 2\frac{2476258965898168}{12500000000000000} = 2.1981007172718536$$