Learn about different ways in which trigonometric identities, such as the Pythagorean identity and the angle addition identities, can be used to solve problems.
4795_Finding_trig_values_using_angle_addition_identities.html
4798_Using_trigonometric_identities.html
4797_Using_trig_angle_addition_identities_manipulating_expressions.html
4796_Using_trig_angle_addition_identities_finding_side_lengths.html
All video content by Khan Academy is under their license: CC by NC SA
Website created using Khan Academy Static Downloader