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What is the amplitude of the function $f(x) = -3\cos(\pi x)$?
in Grade 12 Maths by Diamond (39.7k points) | 18 views

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Trig function f(x) = a cos px + q , where a is the amplitude.

 Therefore function f(x) =−3 cos(πx) has amplitude of 3.
by Silver Status (31.2k points)
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