Trigonometri Contoh

$4 \sin^{2} (t) \cos^{2} (t) + 2 \sin^{4} (t) + 2 \cos^{4} (t) + \sin^{2} (t) \cos^{2} (t)$

Langkah 1

Tambahkan $4 \sin^{2} (t) \cos^{2} (t)$ dan $\sin^{2} (t) \cos^{2} (t)$ .

$5 \sin^{2} (t) \cos^{2} (t) + 2 \sin^{4} (t) + 2 \cos^{4} (t)$