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Precalculus Examples

Popular Problems

Factor sin(x+y)+sin(x-y)

$\sin (x + y) + \sin (x - y)$

Step 1

$\sin (x + y) + \sin (x - y)$

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

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