Trigonometry Examples

$\cos (a + b) \cos (a - b)$

Step 1

Nothing further can be done with this topic. Please check the expression entered or try another topic.

$\cos (a + b) \cos (a - b)$

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