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mixas84 [53]
3 years ago
8

Identify the maximum and minimum values of the function y = 10 cos x in the interval [-2π, 2π]

Mathematics
1 answer:
grigory [225]3 years ago
6 0
Hello,

-1<=cos x <=1
==>-10<=10*cos x <=10
max y=10 if x=0 +2kπ ==>x=0,-2π,2π
min y=-10 if x=π+2kπ ==>x=-π,π
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