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Sin230°= 1. sin130° 2. -sin50° 3. sin50°
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5 votes
Sin230°=

1. sin130°
2. -sin50°
3. sin50°

User Martin Berger
by
8.4k points

1 Answer

2 votes

Answer:

cosine30

Explanation:

User Illya
by
8.3k points
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