$\"\"$

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The curves are $\"\"$ and $\"\"$ .

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Graph the curves $\"\"$ and $\"\"$ .

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$\"\"$

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Observe the graph:

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The curves on interval $\"\"$ .

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The curves are intersect at six points.

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$\"\"$

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Find the intersection points by equating the two curves.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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The periodicity of $\"\"$ is $\"\"$ .

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Therefore, $\"\"$ , where $\"\"$ is an integer.

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Find $\"\"$ values on $\"\"$ .

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Take $\"\"$ .

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$\"\"$ .

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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The general solutions on interval $\"\"$ .

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$\"\"$ .

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$\"\"$

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Find $\"\"$ values by substituting $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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The points of intersection are

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$\"\"$ and $\"\"$ .

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$\"\"$

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The points of intersection are

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$\"\"$ and $\"\"$ .