Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Verifying Trigonometric Identities Easily - Strategy Explained (14 Examples). That video is uploaded by Mario's Math Tutoring at 2020-02-03T15:30:00-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [jkpRkOKkaCw]