OML Search

Using and Proving Trigonometric Identities

Related Topics:
More Lessons for Algebra II Math
Math Worksheets



Videos, solutions, worksheets, games and activities to help Algebra 2 students learn how to use and prove trigonometric identities.

Proof of the trig identity sin(a+b) = (cos a)(sin b) + (sin a)(cos b)
Proof of the trig identity: cos(a+b) = (cos a)(cos b)-(sin a)(sin b)



Revisiting the proofs of some trigonometry identities.
Proving some Random Trigonometric Identities - 3 examples are shown


Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Mathway Calculator Widget


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.