Trigonometri Contoh

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

Langkah 1

Gambarkan masing-masing sisi persamaannya.

$y = \sin (2 x) \cos (x) + \cos (2 x) \sin (x)$

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

Langkah 2