Trigonometri Contoh

$\tan (a + b)$

Step 1

Terapkan identitas penjumlahan sudut-sudut.

$\frac{\tan (a) + \tan (b)}{1 - \tan (a) \tan (b)}$

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