February 2019 1 16 Report
Diketahui f(x) = cos3x. digeser sejauh 30' (derajat) searah sumbu X dan 2 satuan ke atas searah sumbu Y, maka persamaan grafik fungsi menjadi ......

a. Y= -2+ cos 3(x+30')
b. Y= 2+ cos (3x-30')
c. Y= 2+ cos 3(x-30')
d. Y= -2+ cos (3x-30')
e. Y= 2- cos 3(x-30')

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