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mars1129 [50]
3 years ago
14

The exact value of cos 13pi/8

Mathematics
2 answers:
mars1129 [50]3 years ago
5 0
5.10508806

hope this helped!
can u plz mark me as brainiest?

Lorico [155]3 years ago
5 0

Answer:

i think its sqrt((2+sqrt2)/4)

Step-by-step explanation:

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