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What is the exact value of cos 225º cos 75°?
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3 votes
What is the exact value of cos 225º cos 75°?

User Stahamtan
by
6.1k points

2 Answers

3 votes

Answer:


-(√(3) -1)/(4)

Explanation:

User Tehras
by
6.3k points
6 votes

Answer:

√

6

−

2

4

Explanation:

i dont kno the other one

User SnakesNbronies
by
6.6k points
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