rumus jumlah dan selisih sinus dan cosinus

rumus jumlah dan selisih sinus dan cosinus

11th Grade

20 Qs

quiz-placeholder

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rumus jumlah dan selisih sinus dan cosinus

rumus jumlah dan selisih sinus dan cosinus

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Medium

Created by

Dewi Intani

Used 33+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

Nilai dari  sin210o sin 15o sin 75o\sin210^o\ \sin\ 15^o\ \sin\ 75^o  = ....

 18-\frac{1}{8}  

 12-\frac{1}{2}  

 14-\frac{1}{4}  

 11  

 22  

2.

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}  

3.

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  

4.

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  

5.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

 sin65osin5o\sin65^o\sin5^o  dapat disederhanakan menjadi ....

 12(cos70o12)\frac{1}{2}\left(\cos70^o-\frac{1}{2}\right)  

 12(12cos70o)\frac{1}{2}\left(\frac{1}{2}-\cos70^o\right)  

 12(sin70o123)\frac{1}{2}\left(\sin70^o-\frac{1}{2}\sqrt{3}\right)  

 12(123sin70o)\frac{1}{2}\left(\frac{1}{2}\sqrt{3}-\sin70^o\right)  

 cos70o12\cos70^o-\frac{1}{2}  

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

 sin α sin β=\sin\ \alpha\ \sin\ \beta=  

 12[cos (αβ)cos(α+β)]\frac{1}{2}\left[\cos\ \left(\alpha-\beta\right)-\cos\left(\alpha+\beta\right)\right]  

 12[cos (αβ)+cos(α+β)]\frac{1}{2}\left[\cos\ \left(\alpha-\beta\right)+\cos\left(\alpha+\beta\right)\right]  

 12[sin (αβ)cos(α+β)]\frac{1}{2}\left[\sin\ \left(\alpha-\beta\right)-\cos\left(\alpha+\beta\right)\right]  

 12[cos (αβ)+sin(α+β)]\frac{1}{2}\left[\cos\ \left(\alpha-\beta\right)+\sin\left(\alpha+\beta\right)\right]  

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