SOLVING TRIGONOMETRIC EQUATIONS


Note: If you would like a review of trigonometry, click on trigonometry.


Work the following problems. Click on Solution, if you want to review the solutions.


Solve for x in the following equations.


Problem 9.9a:         $5\tan \left( \displaystyle \frac{x}{6}\right) +2=0$

Solution.

Problem 9.9b:         $3\cos \left( \displaystyle \frac{2x}{5}\right) +7=5$

Solution.

Problem 9.9c:         $4\sin \left( \displaystyle \frac{7x}{11}\right) +9=10$

Solution.

Problem 9.9d:         $5\csc \left( \displaystyle \frac{3x}{7}\right) =15$

Solution.

If you would like to review the word solution to any of the above problems, click on solution to the right of the problem.




If you would like to go to the next section, click on Next.


If you would like to go back to the previous section, click on previous.


If you would like to go back to the equation table of contents, click on Contents.


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

S.O.S MATHematics home page



Author: Nancy Marcus

Copyright 1999-2017 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