1
/ / 0 for b = 0
| |
| sin(b*x) dx = <1 cos(b)
| |- - ------ otherwise
/ \b b
0
$$\int_{0}^{1} \sin{\left (b x \right )}\, dx = \begin{cases} 0 & \text{for}\: b = 0 \\- \frac{1}{b} \cos{\left (b \right )} + \frac{1}{b} & \text{otherwise} \end{cases}$$