The independent variable is the cost of a taxable item and the dependent variable is the sales
tax owed on the item. is this relationship a function? explain your response.

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Ответ:

deanlmartin

04.01.2023

Mathematics

$cos -x = adjacent / opposite = False\\ tan- x = opposite / adjacent = TRue\\cos -x = opposite / adjacent = False \\tan -x = adjacent / opposite = False$

Step-by-step explanation:

Using SOHCAHTOA

Where :

O =Opposite (across from a given angle,)

H = Hypotenuse (Longest side)

A = Adjacent ( next to a given angle.)

We can derive

Sin x = opposite/Hypotenuse

Cos x = Adjacent/ Hypotenuse

Tan x = Opposite/adjacent

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The independent variable is the cost of a taxable item and the dependent variable is the sales tax owed on the item. is this relationship a function? explain your response.