On the domain of [0,2π), for which of the following values of x will cosx=secx? Choose all answers that apply. Answer Choices In Pic

asked Sep 19, 2022 88.6k views

1 vote

On the domain of [0,2π), for which of the following values of x will cosx=secx? Choose all answers that apply.

Answer Choices In Pic

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5 votes

Answer:

$cos(\pi )=-1$

Explanation:

f(x)=cos(x)

State that the values where cos x is minimum:

$x=\pi +2\pi n,n$ ∈ℤ

$cos(0)=1\\cos((\pi)/(4) )=(√(2) )/(2) \\cos((\pi )/(2) )=0\\cos(\pi )=-1\\cos((3\pi )/(2))=0$

Igor Popov answered Sep 25, 2022

3.4k points

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