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Marta_Voda [28]
3 years ago
13

HHHEEELLLPPPP MJLTIPLE CHOICE!!

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0
1. -tanx = cotx
2. -sinx / cosx = cosx / sinx
3. -sin2x = cos2x
4. -sinx = cosx
5. cosx+sinx

Answer is A
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