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RUMUS JUMLAH DAN SELISIH DUA SUDUT

Authored by Diah Ayuningtias

Mathematics

11th Grade

Used 75+ times

RUMUS JUMLAH DAN SELISIH DUA SUDUT
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

sin 50o cos 10o + cos 50o sin 10o =

sin 40o

sin 50o

sin 60o

cos 40o

cos 60o

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Misal sin 40°40\degree   = A, maka sin  130°130\degree  =....

 1+a2\sqrt{1+a^2}  

 11+a2 \frac{1}{\sqrt{1+a^{2\ }}}  

 11+a21-\sqrt{1+a^2}  

 1a2\sqrt{1-a^2}  

 11a2\frac{1}{\sqrt{1-a^2}}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Nilai tan165°=....Nilai\ \tan165\degree=.... 

  23-2-\sqrt{3}  

 2+3-2+\sqrt{3}  

 32\sqrt{3}-2  

 13-1-\sqrt{3}  

 131-\sqrt{3}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

  Jika A+B=45°\ Jika\ A+B=45\degree  maka tan B = ....

 2tan A 1tan B\frac{2\tan\ A\ }{1-\tan\ B}  

 1+tan A 1tan A\frac{1+\tan\ A\ }{1-\tan\ A}  

 1tan A1+tan A\frac{1-\tan\ A}{1+\tan\ A}  

2 tan A

tan A

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Bentuk sederhana dari cos 78°sin 78°.cot 39° adalah.....Bentuk\ sederhana\ dari\ \cos\ 78\degree-\sin\ 78\degree.\cot\ 39\degree\ adalah.....  

 tan 39°\tan\ 39\degree  

 cot 39°\cot\ 39\degree  

1

 1-1  

0

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Jika sin(x+30°)=sin x, maka tan x=....Jika\ \sin\left(x+30\degree\right)=\sin\ x,\ maka\ \tan\ x=....  

 2+32+\sqrt{3}  

 232-\sqrt{3}  

 11231-\frac{1}{2}\sqrt{3}  

 1+1231+\frac{1}{2}\sqrt{3}  

 32\sqrt{3}-2  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Jika tan A=34  dan tan B=17 dengan A dan B lancip, maka cos(A+B)=....Jika\ \tan\ A=\frac{3}{4\ }\ dan\ \tan\ B=\frac{1}{7}\ dengan\ A\ dan\ B\ lancip,\ maka\ \cos\left(A+B\right)=....  

 2\sqrt{2}  

 122\frac{1}{2}\sqrt{2}  

 142\frac{1}{4}\sqrt{2}  

 1102\frac{1}{10}\sqrt{2}  

 1102\frac{1}{10}\sqrt{2}  

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