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Mathematics, 13.10.2020 19:01 melissalopez12

Which trigonometric expressions equal Negative one-half? Check all that apply. cos(120°)
Sine (StartFraction 7 pi Over 6 EndFraction)
sin(–120°)
Cosine (StartFraction 7 pi Over 6 EndFraction)
Cosine (negative StartFraction 10 pi Over 3 EndFraction)

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Which trigonometric expressions equal Negative one-half? Check all that apply. cos(120°)
Sine...

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