13 Simplify the expression algebraically sin 7x 7y sin 7x 7y

Last updated: 12/6/2023

13 Simplify the expression algebraically sin 7x 7y sin 7x 7y O sin 7x cos 7y O sin 7x 7y O2sin 7x cos 7y O2 sin 7x O sin 7x 7y