Online College Courses for Credit

Trig Identities 1

Trig Identities 1

Author: Sarah Tolbert

To understand the basics of three trig functions.  Know how to calculate trig functions sin, cos, and tan.

Lesson on first three trigonometry identities.

See More

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*

Begin Free Trial
No credit card required

29 Sophia partners guarantee credit transfer.

312 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Trig Identities 1.

Trig Identities 1

This slideshow is to help follow along with the video that is posted. Also, if anything needs to be looked at for a second time there is no need to watch the video again. Just access this slideshow.