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Ulangan jumlah dan selisih dua sudut

Authored by Dewi Intani

Mathematics

2nd Grade

CCSS covered

Used 36+ times

Ulangan jumlah dan selisih dua sudut
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diberikan dua buah sudut AA dan BB dengan nilai sinus masing-masing adalah sin⁡A=45\sin A=\frac{4}{5} dan sin⁡B=1213\sin B=\frac{12}{13} . Jika sudut AA merupakan sudut tumpul sedangkan sudut BB merupakan sudut lancip, maka nilai dari sin⁡(A−B)\sin\left(A-B\right) adalah . . . .

 −5665-\frac{56}{65}  

 −1665-\frac{16}{65}  

 1665\frac{16}{65}  

 5665\frac{56}{65}  

 6665\frac{66}{65}  

Tags

CCSS.HSF.TF.C.9

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diberikan dua buah sudut AA dan BB dengan nilai tangen masing-masing adalah tan⁡A=1\tan A=1 dan tan⁡B=13\tan B=\frac{1}{3} . Jika sudut AA dan sudut BB merupakan sudut lancip, maka nilai dari cos⁡(A−B)\cos\left(A-B\right) adalah . . . .

 155\frac{1}{5}\sqrt{5}  

 255\frac{2}{5}\sqrt{5}  

 235\frac{2}{3}\sqrt{5}  

 15\frac{1}{5}  

 25\frac{2}{5}  

Tags

CCSS.HSF.TF.C.9

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Nilai dari  tan⁡75°\tan75\degree  adalah...

 −2+3-2+\sqrt{3}  

 −2−3-2-\sqrt{3}  

 2+32+\sqrt{3}  

 2−32-\sqrt{3}  

 3+23+\sqrt{2}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Nilai dari  cos⁡15°\cos15\degree  adalah ...

 14(6−2)\frac{1}{4}\left(\sqrt{6}-\sqrt{2}\right)  

 14(2+6)\frac{1}{4}\left(\sqrt{2}+\sqrt{6}\right)  

 14(−2−6)\frac{1}{4}\left(-\sqrt{2}-\sqrt{6}\right)  

 12(2+6)\frac{1}{2}\left(\sqrt{2}+\sqrt{6}\right)  

 12(6−2)\frac{1}{2}\left(\sqrt{6}-\sqrt{2}\right)  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui  sin⁡x=35\sin x=\frac{3}{5}  dengan sudut x adalah lancip. Nilai dari  sin⁡2x\sin2x  adalah...

 2524\frac{25}{24}  

 −2524-\frac{25}{24}  

 −2425-\frac{24}{25}  

 725\frac{7}{25}  

 2425\frac{24}{25}  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui  sin⁡α=1513, α\sin\alpha=\frac{1}{5}\sqrt{13},\ \alpha  sudut lancip. Nilai dari  cos⁡2α=...\cos2\alpha=...  

 −125-\frac{1}{25}  

-1

 −12-\frac{1}{2}  

 −15-\frac{1}{5}  

1

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 sin⁡(105°)=...\sin\left(105\degree\right)=...  

 \frac{1}{4}\sqrt{8}  

 12(2+6)\frac{1}{2}\left(\sqrt{2}+\sqrt{6}\right)  

 14(2+6)\frac{1}{4}\left(\sqrt{2}+\sqrt{6}\right)  

 14(2−6)\frac{1}{4}\left(\sqrt{2}-\sqrt{6}\right)  

 14(6−2)\frac{1}{4}\left(\sqrt{6}-\sqrt{2}\right)  

Tags

CCSS.HSF.TF.C.9

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