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MA_775_DIABLO [31]
3 years ago
11

Use the half angle identity to determine cos105

Mathematics
2 answers:
Lisa [10]3 years ago
7 0
You haven’t showed us the picture
Natalka [10]3 years ago
3 0

Answer:

-\frac{\sqrt{2-\sqrt{3} } }{2}

Step-by-step explanation:

B on edge

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