pruittchristina4 pruittchristina4

26-08-2021
Mathematics

contestada

Which equation should be used to graph [tex]y=sec^{-1} (x)[/tex] on a calculator?
[tex]y = \frac{1}{sec(x)} \\y=\frac{1}{cos^{-1} (x)} \\y=sec(\frac{1}{x} )\\y=cos^{-1} (\frac{1}{x} )[/tex]

Respuesta :

sqdancefan sqdancefan

01-09-2021

9514 1404 393

Answer:

(d) y = arccos(1/x)

Step-by-step explanation:

You are given y = arcsec(x), which means sec(y) = x = 1/cos(y). Then ...

cos(y) = 1/x

y = arccos(1/x) . . . . . matches choice D

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