### Home > INT3 > Chapter Ch9 > Lesson 9.1.2 > Problem 9-20

9-20.

What is the domain of *y* = sin(*θ*)? Justify your reasoning. Homework Help ✎

Domain: All real numbers

Why?

9-20.

What is the domain of *y* = sin(*θ*)? Justify your reasoning. Homework Help ✎

Domain: All real numbers

Why?