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GenaCL600 [577]
3 years ago
5

Does -cos(120)=cos(-120)?

Mathematics
2 answers:
Step2247 [10]3 years ago
6 0
No, -Cos(120) is equal to 5, while Cos(-120) is equal to -5.

Hopefully this helps!
larisa [96]3 years ago
3 0
No because 120 is positive and -120 is a negative
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