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

User Linora
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2 Answers

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No because 120 is positive and -120 is a negative
User Tijko
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4 votes
No, -Cos(120) is equal to 5, while Cos(-120) is equal to -5.

Hopefully this helps!
User BugsForBreakfast
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