OML Search

Power Reducing Identities




Related Topics:
More Lessons for PreCalculus

Math Worksheets

Videos, worksheets, games and activities to help PreCalculus students learn about the power reducing identities and how to use them.

Using a Power-Reducing Identity

Power Reducing Formulas for Sine and Cosine, Example 1.
This video gives the reducing formulas for sin2x and cos2x in terms of cos x and how to use the reducing formulas.
Power Reducing Formulas for Sine and Cosine, Example 2.
This video gives the reducing formulas for sin2x and cos2x in terms of cos x and uses them to solve for csc4 (2x) = 4



Here we apply power-reducing formulas to "simplify" sin to the fourth power


Power Reducing Formulas


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.


data-ad-region="y21">