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Sedaia [141]
3 years ago
13

Cos130° = _____ -cos50° cos50° cos(-50°)

Mathematics
2 answers:
klemol [59]3 years ago
6 0

Answer:

cos(-50°)

Step-by-step explanation:

Alinara [238K]3 years ago
6 0

Answer:

-cos50

Step-by-step explanation:

cos 130

cos pi-50

-cos 50

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