Perbandingn Trigonometri

Pada segitiga berikut, cos $\pi$ adalah ....



(A)$\begin{aligned}\mathrm{\frac{b}{a}}\end{aligned}$

(B)$\begin{aligned}\mathrm{\frac{c}{a}}\end{aligned}$

(C)$\begin{aligned}\mathrm{\frac{a}{c}}\end{aligned}$

(D)$\begin{aligned}\mathrm{\frac{b}{c}}\end{aligned}$

(E)$\begin{aligned}\mathrm{\frac{a}{b}}\end{aligned}$

Jika $\mathrm{sin\,\theta}$ =$\begin{aligned}\frac{2}{3}\end{aligned}$dan $\pi$ terletak di kuadran pertama, maka $\mathrm{tan\,\pi}$ = ....

(A)$\begin{aligned}\frac{\sqrt{5}}{3}\end{aligned}$

(B)$\begin{aligned}\frac{\sqrt{5}}{2}\end{aligned}$

(C)$\begin{aligned}\frac{2\sqrt{5}}{5}\end{aligned}$

(D)$\begin{aligned}\frac{3\sqrt{5}}{5}\end{aligned}$

(E)$\begin{aligned}\frac{3}{2}\end{aligned}$

Diketahui $\mathrm{tan\,\theta}$ =$\begin{aligned}\frac{5}{4}\end{aligned}$, $\mathrm{cosec\,\pi}$ = ....

(A)$\begin{aligned}\frac{4}{41}\sqrt{41}\end{aligned}$

(B)$\begin{aligned}\frac{5}{41}\sqrt{41}\end{aligned}$

(C)$\begin{aligned}\frac{4}{5}\end{aligned}$

(D)$\begin{aligned}\frac{1}{4}\sqrt{41}\end{aligned}$

(E)$\begin{aligned}\frac{1}{5}\sqrt{41}\end{aligned}$

Nilai sin 30o, cos 45o, tan 60o, sin 90o secara berurutan adalah ....

(A)$\begin{aligned}\frac{1}{2}\sqrt{2},\frac{1}{2},\sqrt{3},1\end{aligned}$

(B)$\begin{aligned}\frac{1}{2},\frac{1}{2}\sqrt{2},\sqrt{3},1\end{aligned}$

(C)$\begin{aligned}\sqrt{3},\frac{1}{2},\frac{1}{2}\sqrt{2},0\end{aligned}$

(D)$\begin{aligned}\frac{1}{2},\frac{1}{2}\sqrt{2},\sqrt{3},0\end{aligned}$

(E)$\begin{aligned}\sqrt{3}\frac{1}{2}\sqrt{2},\frac{1}{2},0\end{aligned}$

Jika $\theta$ = 30o, nilai $\mathrm{m}$ dan $\mathrm{n}$ berturut-turut adalah ....



(A)$\begin{aligned}\frac{5}{2}\sqrt{3}\end{aligned}$ dan$\begin{aligned}\frac{5}{2}\end{aligned}$

(B)$\begin{aligned}\frac{5}{2}\sqrt{2}\end{aligned}$ dan$\begin{aligned}\frac{5}{2}\end{aligned}$

(C) $1$ dan $\sqrt{3}$

(D)$\begin{aligned}\frac{5}{2}\sqrt{3}\end{aligned}$ dan $1$

(E)$\begin{aligned}\frac{5}{2}\end{aligned}$dan$\begin{aligned}\frac{5}{2}\sqrt{3}\end{aligned}$