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How can you use the double angle or half angle formula to find the cos(12)?
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2 votes
How can you use the double angle or half angle formula to find the cos(12)?

User Tweray
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2 Answers

5 votes

Answer:

Explanation:

cos(π12)=±√2+√32 .

User Ilalex
by
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3 votes

Answer:

cos(π12)=±√2+√32

User Mukund Jalan
by
7.7k points
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