If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Introduction to Trigonometry 8.3

Problem

Which of the following options is equivalent to the given expression?
1sin2(x)sin2(x)
Choose 1 answer: