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

How can you use the double angle or half angle formula to find the cos(12)?
asked 177k views
2 votes
How can you use the double angle or half angle formula to find the cos(12)?

asked
User Tweray
by
7.4k points

2 Answers

5 votes

Answer:

Explanation:

cos(π12)=±√2+√32 .

answered
User Ilalex
by
9.0k points
3 votes

Answer:

cos(π12)=±√2+√32

answered
User Mukund Jalan
by
7.7k points
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