Contoh Latihan Soal: Soal Matematika Wajib Kelas X Trigonometri

Contoh Soal Trigonometri Kelas 11 Semester 1 Ilmu Pengetahuan 8

$\begin{array}{|c|l|l|}\hline \multicolumn{3}{|c|}{\textbf{Persamaan Trigonometri}}\\\hline \textrm{No}&\qquad\qquad \textrm{Persamaannya}&\quad\qquad\qquad \textrm{atau}\\\hline 1&\begin{aligned}\sin x&=\sin \alpha \\ x&=\begin{cases} &=\alpha +k.360^{\circ} \\ &=\left ( 180^{\circ}-\alpha \right )+k.360^{\circ} \end{cases}\\ \textrm{deng}&\textrm{an}\\ k&\in \mathbb{Z} \end{aligned}&\begin{aligned}\sin x&=\sin \alpha \\ x&=\begin{cases} &=\alpha +k.2\pi \\ &=\left ( \pi -\alpha \right )+k.2\pi \end{cases}\\ \textrm{deng}&\textrm{an}\\ k&\in \mathbb{Z} \end{aligned}\\\hline 2&\begin{aligned}\cos x&=\cos \alpha \\ x&=\begin{cases} &=\alpha +k.360^{\circ} \\ &=-\alpha +k.360^{\circ} \end{cases}\\ \textrm{deng}&\textrm{an}\\ k&\in \mathbb{Z} \end{aligned}&\begin{aligned}\cos x&=\cos \alpha \\ x&=\begin{cases} &=\alpha +k.2\pi \\ &=-\alpha +k.2\pi \end{cases}\\ \textrm{deng}&\textrm{an}\\ k&\in \mathbb{Z} \end{aligned}\\\hline 3&\begin{aligned}\tan x&=\tan \alpha \\ x&=\alpha +k.180^{\circ}\\ \textrm{deng}&\textrm{an}\\ k&\in \mathbb{Z} \end{aligned}&\begin{aligned}\tan x&=\tan \alpha \\ x&=\alpha +k.\pi \\ \textrm{deng}&\textrm{an}\\ k&\in \mathbb{Z} \end{aligned}\\\hline \end{array}$

Contoh Soal Bab Trigonometri Dan Pembahasannya