Algebra Beispiele

$\cos (A - B)$

Schritt 1

Wende das Additionstheorem der Trigonometrie $\cos (x - y) = \cos (x) \cos (y) + \sin (x) \sin (y)$ an.

$\cos (A) \cos (B) + \sin (A) \sin (B)$

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