bliss6115
08.02.2020 •
Mathematics
Find cos(π/3 + a), where sin(a) = (1/√3), and 0
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Ответ:
a= approx 35.2644
cos(pi/3+a)= approx 0.999998973
Step-by-step explanation:
solve for sin(a)
sin a = (1/sqroot of 3)
arcsin sin(a) = arcsin(1/sqroot of 3)
a= arcsin(1/sqroot 3)
a=approx 35.2644
now substitute a into the cos formula
Ответ:
8100/1800 = 4.5 days
Step-by-step explanation: