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gisele
Questions (1)
How do you simplify cos ((pi)/2) - feta?
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1a 2c 3d 4b 5d 6a 7c 8a 9b 10b 11a 12b 13a 14a 15d 16c 17d 18a 19b 20a 21a 22b 23b 24a 25b
