Trigonometri Contoh

$\cos (2 x) = \frac{\sqrt{2}}{2}$

Langkah 1

Gambarkan masing-masing sisi persamaannya.

$y = \cos (2 x)$

$y = \frac{\sqrt{2}}{2}$

Langkah 2

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