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4.4-4.5 Trig Functions PreCalc Flashcards | StudBud
4.4-4.5 Trig Functions PreCalc
1 / 9
Find amplitude and period : f(x) = 8cos(-x/4)
A
a = 8; per = -π/2
B
a = -8; per = -8π
C
a = 8; per = -8π
D
a = -8; per = -π/2
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