Kuis Dasar-Dasar Trigonometri

Question 1

Dengan menggunakan lingkaran satuan, berapakah $\sin\left(\frac{\pi}{6}\right)$?

Accepted Answer

$\frac{1}{2}$

Answer

$-\frac{1}{2}$

Answer

$\frac{\sqrt{2}}{2}$

Answer

$\frac{\sqrt{3}}{2}$

Question 2

Diketahui $\sin	heta=\frac{5}{13}$ dan $	heta$ berada di Kuadran II, berapakah $\cos	heta$?

Accepted Answer

$-\frac{12}{13}$

Answer

$\frac{12}{13}$

Answer

$\frac{\sqrt{144}}{169}$

Answer

$-\frac{13}{12}$

Question 3

Hitung $\arctan(\sqrt{3})$ dengan memberikan nilai utama (principal value) dalam radian.

Accepted Answer

$\frac{\pi}{3}$

Answer

$\sqrt{3}$

Answer

$\frac{\pi}{6}$

Answer

$\frac{2\pi}{3}$

Dipercaya & Diakui