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Trigonometry Examples

Popular Problems

Graph cos(x)=4/9*tan(x)<0

$\cos (x) = \frac{4}{9} \cdot \tan (x) < 0$

Step 1

Graph.

$\cos (x) = \frac{4}{9} \cdot \tan (x) < 0$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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