leahstubbs
26.10.2020 •
Mathematics
Suppose Sine (x) = four-fifths and cos(x) < 0. What is the value of cos(2x)?
Negative StartFraction 14 Over 25 EndFraction
Negative StartFraction 7 Over 25 EndFraction
StartFraction 7 Over 25 EndFraction
StartFraction 14 Over 25 EndFraction
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Ответ:
B.-7/25
Step-by-step explanation:
Edge 2021
Ответ:
29.45$
Step-by-step explanation:
total=2×4.75$+19.96$
=29.45$