Trigonometri Contoh

$4 \cos (x) - 5 \sin (x) = \sqrt{41} \cos (x + 51.3)$

Langkah 1

Gambarkan masing-masing sisi persamaannya.

$y = 4 \cos (x) - 5 \sin (x)$

$y = \sqrt{41} \cos (x + 51.3)$

Langkah 2

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