- #1
KingKai
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- 0
Homework Statement
Express the function f(x) = -2sin(3x) -4cos(3x) in the form of a general sine finction.
Identify the amplitude, period, and phase shift
Homework Equations
sinx/cosx = tanx
sin2x + cos2x = 1
The Attempt at a Solution
don't know how to start
don't penalize me for this.