lyphuc531 lyphuc531
  • 23-10-2021
  • Mathematics
contestada

2cosx-[tex]\sqrt{2}[/tex]=0

Respuesta :

Аноним Аноним
  • 23-10-2021

[tex]\\ \sf\longmapsto 2cosx-\sqrt{2}=0[/tex]

[tex]\\ \sf\longmapsto 2cosx=\sqrt{2}[/tex]

[tex]\\ \sf\longmapsto cosx=\dfrac{\sqrt{2}}{2}[/tex]

[tex]\\ \sf\longmapsto cosx=\dfrac{1}{\sqrt{2}}[/tex]

[tex]\\ \sf\longmapsto x=cos^{-1}\left(\dfrac{1}{\sqrt{2}}\right)[/tex]

[tex]\\ \sf\longmapsto x=60[/tex]

Answer Link

Otras preguntas

Choose the missing word. and Kim went hunting in the mountains yesterday. O 1. Him 2. She 3. Me 4. Her
i need help i attached this image
"Shelby!" you hear Kristin shout, "I found him! Over here!" You turn your snow shoes toward the shouting and move through the thick trees and across the mounds
Tim can paint a room in 6 hours. Bella can paint the same room in 4 hours. How long will it take if Tim and Bella work together?
Hi I'm bark What is the most likely meaning of the word venom? poison substance nutrient protein
help me I need to make sure I got the correct answer.
would advancement require additional duties in psychology?
help me out pls What does obliviousness mean? • 1. being interested in something • 2. being unaware of something ( 3. being impressed by something hm • 4. being
predict what life was like for the locals during imperialism in Southeast Asia (reference Shooting an Elephant).
The polynomial equation x superscript 6 baseline minus 16 x squared = 4 x superscript 4 baseline minus 64 has complex roots plus-or-minus 2 i. what are the othe