Seudónimo Seudónimo

24-05-2018
Mathematics

contestada

15 Points!

Find the exact value of the real number y.

y = arcsec (1)

A) -π

B) pi divided by two

C) 0

D) π

Respuesta :

24-05-2018

[tex]y=arc\sec x\iff x=\sec y\\\\y=arc\sec1\iff1=\sec y\\\\\to\dfrac{1}{\cos y}=1\to\cos y=1\to y=2k\pi;\ k\in\mathbb{Z}[/tex]
Answer: C) 0

Answer Link

longwoodfade longwoodfade

17-01-2021

Answer:

C) 0

Step-by-step explanation:

Arcsec (1)= cos1

Then look at unit circle cos=1 at 0 or 2pi

Answer Link

Otras preguntas

does anyone know this

Which choice shows the correct placement of dashes? A. The—marching band—which has been practicing for weeks won a blue ribbon at the competition.

(a) The distance to a star is approximately 8.64 ✕ 1018 m. If this star were to burn out today, in how many years would we see it disappear? years (b) How long

What should a writer do to summarize a story? Check all that apply. use the exact wording from the story include the events of the story, in order include the m

Overall, the article is organized around? " the science of earthquakes"

Which is generally not a symptom of a bone fracture

Bo Riley pays his rent and utility bills each month by writing checks. Riley is using a

What did the Iran hostage crisis do to American opinion?OA. Americans feared that the Iranian workers were spies.OB. Americans believed that the Shah supported

3 to the 2nt power +4- 2 times 3

There are 8 teachers and 40 students going on a field trip. If 20 more students decided to go on the field trip, then how many more teachers must go to keep it