cadenbukvich9923
21.10.2019 •
Mathematics
What are the values of a and b?
a. a= 9/2 b=15/2
b. a= 15/2 b= 9/2
c. a= 16/3 b= 15/2
d. a= 9/2 b= 13/2
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Ответ:
6Cosx=3
cosx=1/2
x=60° or 300°
pi/3 radians, 5pi/3 radians