
RUMUS JUMLAH & SELISIH SIN DAN COS
Presentation
•
Mathematics, Science, Physics
•
1st - 2nd Grade
•
Hard
buzur 14
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11 Slides • 5 Questions
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by buzur 14
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12
Multiple Choice
sin a + sin b =...
2 sin 1/2 (a+b) cos 1/2 (a-b)
2 cos 1/2 (a+b) sin 1/2 (a-b)
2 cos 1/2 (a+b) cos 1/2 (a-b)
2 sin 1/2 (a+b) sin 1/2 (a-b)
13
Multiple Choice
sin a - sin b =...
2 sin 1/2 (a+b) cos 1/2 (a-b)
2 cos 1/2 (a+b) sin 1/2 (a-b)
2 cos 1/2 (a+b) cos 1/2 (a-b)
2 sin 1/2 (a+b) sin 1/2 (a-b)
14
Multiple Choice
Nilai dari cos15° adalah ...
41(6−2)
41(2+6)
41(−2−6)
21(2+6)
21(6−2)
15
Multiple Choice
Diketahui cos B = 1312 dan sudut B lancip. Nilai sin 2B adalah ...
135
2612
2624
169160
169120
16
Multiple Choice
Nilai sin 45° cos 15° + cos 45° sin 15° adalah...
1/2
1/2 √2
1/2 √3
1/2 √6
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