# What sine function represents an amplitude of 1, a period of 2π, a horizontal shift of π, and a vertical shift of −4?

QUESTION POSTED AT 01/06/2020 - 04:41 PM

QUESTION POSTED AT 01/06/2020 - 04:41 PM

with that template in mind, let's see

the period of 2π, well, for that, you have to do nothing, because that's sine original period

Amplitude of 1, well, that's also sine's original amplitude

horizontal shift/phase... ok, that means C/B = π, now, it doesn't say if to the left or the right, so I gather either is ok, so...let's do the right

you could use then, C = -π and B = 1, that gives you -π/1 or -π

vertical shift of -4, well, that simply means D = -4

f(θ) = sin(θ - π) - 4 <-- will do

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