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Trigonometry Examples

Popular Problems

Expand the Trigonometric Expression sin(2a)

$\sin (2 a)$

Step 1

Apply the sine double-angle identity.

$2 \sin (a) \cos (a)$

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

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