Quiz about PH PERSAMAAN TRIGONOMETRI KELAS 11 MIPA

Question 1

Himpunan penyelesaian yang memenuhi dari $$√6\sin x+√2\cos x=2;\ 0°≤x≤180°$$ adalah . . . .

Accepted Answer

{15,
105}

Answer

{15,195}

Answer

{-105, 195}

Answer

{175,
105}

Answer

{-15,-185}

Question 2

Himpunan penyelesaian dari $$\sin^2x–3\sin x+2=0;\ 0≤x≤\pi$$ adalah . . . .

Accepted Answer

$$\left\{\frac{\pi}{2}\right\}$$

Answer

$$\left\{2\pi\right\}$$

Answer

$$\left\{\frac{\pi}{2},\pi\right\}$$

Answer

$$\left\{\frac{2\pi}{4},\pi\right\}$$

Answer

$$\left\{\pi\right\}$$

Question 3

$$nilai\ x\ yang\ memnuhi\ persamaan\ 2\cos\left(\frac{2x}{3}+45\degree\right)=\sqrt{2}untuk\ 0\degree\le x\le720\degree$$ adalah . . .

Accepted Answer

$$0\degree,405\degree,540\degree$$

Answer

$$0\degree,\ 60\degree,\ 600\degree$$

Answer

$$0\degree,90\degree,630\degree$$

Answer

$$0\degree,135\degree,540\degree$$

Answer

$$0\degree,315\degree,540\degree$$

Question 4

Penyelesaian persamaan sin x = $$\frac{1}{2}\sqrt{2}$$ untuk $$0\degree\le x\le360\degree$$ adalah . . . .

Accepted Answer

$$x=45\degree,\ 135\degree$$

Answer

$$x=45\degree,\ 225\degree$$

Answer

$$x=45\degree,\ 315\degree$$

Answer

$$x=135\degree,\ 225\degree$$

Answer

$$x=225\degree,\ 315\degree\ $$

Question 5

penyelesaian persamaan tan (x+15o)=-1 untuk $$180\degree\le x\le360\degree$$ adalah . . . .

Accepted Answer

$$x\ =\ 300\degree$$

Answer

$$x\ =\ 135\degree$$

Answer

$$x\ =\ 225\degree$$

Answer

$$x\ =\ 315\degree$$

Answer

$$x\ =\ 330\degree$$

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