Grafik Fungsi Trigonometri

MENENTUKAN FUNGSI TRIGONOMETRI DARI GRAFIK

$$\boxed{\boxed{y=a\sin b(x-x_1)+c}}$$

$$a=\dfrac{y_2-y_1}2$$

$$b=\dfrac{2\pi}{x_2-x_1}$$

$$c=\dfrac{y_2+y_1}2$$

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$$\boxed{\boxed{y=a\cos b(x-x_1)+c}}$$

$$a=\dfrac{y_2-y_1}2$$

$$b=\dfrac{2\pi}{x_2-x_1}$$

$$c=\dfrac{y_2+y_1}2$$