Rational Expressions of Trigonometric Functions: Example

Find

Solution. Set , then we have

This clearly implies

Algebraic simplifications give

The technique of partial decomposition gives

This will not complete our answer since we need to go back the variable x. Indeed, we have

[Calculus] [More Examples] [Geometry] [Algebra] [Trigonometry ] [Differential Equations] [Complex Variables] [Matrix Algebra]

S.O.S MATHematics home page

Do you need more help? Please post your question on our S.O.S. Mathematics CyberBoard.

Copyright © 1999-2025 MathMedics, LLC. All rights reserved.
Contact us
Math Medics, LLC. - P.O. Box 12395 - El Paso TX 79913 - USA
users online during the last hour