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PH Selisih dan Jumlah sudut trigonometri

Authored by Eko Sudarto

Mathematics

11th Grade

CCSS covered

Used 13+ times

PH Selisih dan Jumlah sudut  trigonometri
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30 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 cos85°cos55° + sin85°sin55° = . . .\cos85\degree\cos55\degree\ +\ \sin85\degree\sin55\degree\ =\ .\ .\ .  

 00  

 11  

 12\frac{1}{2}  

 122\frac{1}{2}\sqrt{2}  

 123\frac{1}{2}\sqrt{3}  

Tags

CCSS.HSF.TF.C.9

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 tan75°tan15°1+tan75°tan15°= . . .\frac{\tan75\degree-\tan15\degree}{1+\tan75\degree\tan15\degree}=\ .\ .\ .  

 00  

 3\sqrt{3}  

 133\frac{1}{3}\sqrt{3}  

 11  

 3-\sqrt{3}  

Tags

CCSS.HSF.TF.C.9

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 cos 100°+cos40°sin 130°sin 10°\frac{\cos\ 100\degree+\cos40\degree}{\sin\ 130\degree-\sin\ 10\degree}  = ...

 3\sqrt{3}  

-1

0

1

 123\frac{1}{2}\sqrt{3}  

Tags

CCSS.HSF.TF.C.9

4.

MULTIPLE CHOICE QUESTION

3 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(26)\frac{1}{4}\left(\sqrt{2}-\sqrt{6}\right)  

 14(62)\frac{1}{4}\left(\sqrt{6}-\sqrt{2}\right)  

Tags

CCSS.HSF.TF.C.9

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

bentuk lain dari 
 2 cos 12(195°+105°) cos 12 (195°105°)2\ \cos\ \frac{1}{2}\left(195\degree+105\degree\right)\ \cos\ \frac{1}{2}\ \left(195\degree-105\degree\right)  adalah . . . .

 cos 195° + cos 105°\cos\ 195\degree\ +\ \cos\ 105\degree  

 cos 195°  cos 105°\cos\ 195\degree\ -\ \cos\ 105\degree  

 sin 195° + sin 105°\sin\ 195\degree\ +\ \sin\ 105\degree  

 sin 195°  sin 105°\sin\ 195\degree\ -\ \sin\ 105\degree  

 cos 195° + sin 105°\cos\ 195\degree\ +\ \sin\ 105\degree  

Tags

CCSS.HSF.TF.C.9

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika

 Tan 60=aTan\ 6^0=a  , maka nilai dari Tan  510=51^0=  

 1a1+a\frac{1-a}{1+a}  

 1+a1a\frac{1+a}{1-a}  

 a+1a1\frac{a+1}{a-1}  

 a+11a\frac{a+1}{1-a}  

Tags

CCSS.HSF.TF.C.9

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