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.
త్రికోణమితి తత్సమాలు భాగం -2
Translated from original video
Title - Trig identities part 2 (part 4 if you watch the proofs)