Answer
$f(x)=\sin x$ is an odd function.
Work Step by Step
$$f(x)=\sin x$$
As we work out in exercise 21, $$\sin(-x)=-\sin x$$
Therefore, $$f(-x)=\sin(-x)=-\sin x=-f(x)$$
According to the definition given, $f(x)=\sin x$ is an odd function.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.