SOLVING TRIGONOMETRIC EQUATIONS


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

If you would like to see the answers and the solutions, click on solution.

Solve for the real number x in the following equations.


Problem 9.4a:         $3\sin ^{2}x-2=0$

Solution

Problem 9.4b:         $4\cot ^{2}x-3=0$

Solution

Problem 9.4c:         $\displaystyle \frac{3}{5}\cos ^{2}3x-\displaystyle \frac{1}{8}=0$

Solution

Problem 9.4d:        tan $^{2}\left( 2x\right) +8\tan \left( 2x\right)-9=0$

Solution

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]

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Author: Nancy Marcus

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