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serg [7]
3 years ago
11

(cos2x+1)(2cosx-1)(2cosx-1)(2cos2x-1)=2cos8x

Mathematics
1 answer:
SOVA2 [1]3 years ago
7 0

cosdfhbjazkljndAnswer:

Step-sdfasfsdbfsdfsyd

-step explanation:

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