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Rumus Perkalian dan Penjumlahan Trigonometri

Authored by SMA AL-ICHWAN

Mathematics

11th Grade

Used 45+ times

Rumus Perkalian dan Penjumlahan Trigonometri
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15 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Nilai dari  sin 45o cos15o=......\sin\ 45^o\ \cos15^o=......  

 14(31)\frac{1}{4}\left(\sqrt{3}-1\right)  

 14(3+1)\frac{1}{4}\left(\sqrt{3}+1\right)  

 14(13)\frac{1}{4}\left(1-\sqrt{3}\right)  

 12(31)\frac{1}{2}\left(\sqrt{3}-1\right)  

 12\frac{1}{2}  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Nilai dari  4sin35ocos25o+4cos20osin10o=....4\sin35^o\cos25^o+4\cos20^o\sin10^o=....  

 31-\sqrt{3}-1  

 2-2  

 1-1  

 00  

 3+1\sqrt{3}+1  

3.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

 2sinxcos3x=.....2\sin x\cos3x=.....  

 cos4xcos2x\cos4x-\cos2x  

 cos4x+cos2x\cos4x+\cos2x  

 sin4x+sin2x\sin4x+\sin2x  

 sin4xsin2x\sin4x-\sin2x  

 sin2xsin4x\sin2x-\sin4x  

4.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

 2cos(x+π4)sin(xπ4)2\cos\left(x+\frac{\pi}{4}\right)\sin\left(x-\frac{\pi}{4}\right)  = .....

 sin2x+122\sin2x+\frac{1}{2}\sqrt{2}  

 sin2x122\sin2x-\frac{1}{2}\sqrt{2}  

 cos2x+122\cos2x+\frac{1}{2}\sqrt{2}  

 sin2x1\sin2x-1  

 cos2x1\cos2x-1  

5.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Jika diketahui  cos20o=a\cos20^o=a  maka nilai dari  cos70ocos50o=....\cos70^o\cos50^o=....  

 12(12a)\frac{1}{2}\left(\frac{1}{2}-a\right)  

 12(a12)\frac{1}{2}\left(a-\frac{1}{2}\right)  

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

 14(a12)\frac{1}{4}\left(a-\frac{1}{2}\right)  

 14(12a)\frac{1}{4}\left(\frac{1}{2}-a\right)  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 nilai dari  2 sin 50o cos 40o + 2 cos 95o sin 85o = .....nilai\ dari\ \ 2\ \sin\ 50^o\ \cos\ 40^o\ +\ 2\ \cos\ 95^o\ \sin\ 85^o\ =\ ..... 

 1-1  

 12-\frac{1}{2}  

 12\frac{1}{2}  

 11  

 22  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Bentuk perkalian dari sin50°+sin40°\sin50\degree+\sin40\degree  adalah... (*Operasi Trigonometri)


 2sin45°cos5°2\sin45\degree\cos5\degree  

 2cos45°sin5°2\cos45\degree\sin5\degree  

 2cos45°cos5°2\cos45\degree\cos5\degree  

 2sin45°sin5°2\sin45\degree\sin5\degree  

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