Posted by Bernice on Monday, December 14, 2009 at 2:16pm.
Determine the amplitude of: y=2sinx

Math, not "adult education"  Writeacher, Monday, December 14, 2009 at 3:16pm
Assistance needed.
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Trigonometry  MathMate, Monday, December 14, 2009 at 11:59pm
A typical trigonometric function such as
f(x) = a sin k(xφ)
has the following definitions:
amplitude = a, or the absolute value of a
period = 2π/k
phase shift = φ
For example,
y = 3 sin 2(xπ/4)
has an amplitude of 3, period of 2π/2=π, and phase shift of π/4 to the right.
So for y = 2 sin x,
the amplitude would be 2 = 2.
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