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Trigonometry Examples

Popular Problems

Factor sin(4x)cos(9x)+cos(4x)sin(9x)

$\sin (4 x) \cos (9 x) + \cos (4 x) \sin (9 x)$

Step 1

$\sin (4 x) \cos (9 x) + \cos (4 x) \sin (9 x)$

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

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