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RUMUS JUMLAH & SELISIH SIN DAN COS

RUMUS JUMLAH & SELISIH SIN DAN COS

Assessment

Presentation

Mathematics, Science, Physics

1st - 2nd Grade

Hard

Created by

buzur 14

Used 1+ times

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11 Slides • 5 Questions

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by buzur 14

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Multiple Choice

sin a + sin b =...

1

2 sin 1/2 (a+b) cos 1/2 (a-b)

2

2 cos 1/2 (a+b) sin 1/2 (a-b)

3

2 cos 1/2 (a+b) cos 1/2 (a-b)

4

2 sin 1/2 (a+b) sin 1/2 (a-b)

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Multiple Choice

sin a - sin b =...

1

2 sin 1/2 (a+b) cos 1/2 (a-b)

2

2 cos 1/2 (a+b) sin 1/2 (a-b)

3

2 cos 1/2 (a+b) cos 1/2 (a-b)

4

2 sin 1/2 (a+b) sin 1/2 (a-b)

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Multiple Choice

Nilai dari cos15°\cos15\degree  adalah ...

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

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

3

14(26)\frac{1}{4}\left(-\sqrt{2}-\sqrt{6}\right)  

4

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

5

12(62)\frac{1}{2}\left(\sqrt{6}-\sqrt{2}\right)  

15

Multiple Choice

Diketahui cos B =  1213\frac{12}{13}  dan sudut B lancip. Nilai sin 2B adalah ...

1

513\frac{5}{13}  

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1226\frac{12}{26}  

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2426\frac{24}{26}  

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160169\frac{160}{169}  

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120169\frac{120}{169}  

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Multiple Choice

Nilai sin 45° cos 15° + cos 45° sin 15° adalah...

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1/2

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1/2 √2

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1/2 √3

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1/2 √6

by buzur 14

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