Trigonometri Contoh

$\sin^{2} (x) - \cos^{2} (x) = \sin^{4} (x) - \cos^{4} (x)$

Langkah 1

Gambarkan masing-masing sisi persamaannya.

$y = \sin^{2} (x) - \cos^{2} (x)$

$y = \sin^{4} (x) - \cos^{4} (x)$

Langkah 2