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Nataly_w [17]
3 years ago
12

How do i do this and what is it called?​

Mathematics
2 answers:
GenaCL600 [577]3 years ago
7 0
The answer will be Cosx =1/2 and -1

rusak2 [61]3 years ago
3 0

don't you have a text book with examples in it?

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