The sine of $130^\circ$ is:

$\sin(130^\circ) = \sin(180^\circ - 130^\circ) = \sin(50^\circ)$

Using a calculator, the value of $\sin(130^\circ)$ is approximately:

$\sin(130^\circ) \approx 0.7660$

Would you like further details or clarifications?

Here are 5 related questions to expand your understanding:

1. What is the sine of $50^\circ$?
2. How can the sine of angles be found using the unit circle?
3. What is the cosine of $130^\circ$?
4. How does the sine function behave in different quadrants of the unit circle?
5. What is the value of $\sin(180^\circ - x)$ for any angle $x$?

Tip: In trigonometry, the sine of an obtuse angle (between 90° and 180°) is the same as the sine of its supplementary angle (180° minus the angle).