ANILMUKHIYA ANILMUKHIYA
  • 04-02-2020
  • Mathematics
contestada


[tex]4 \cos {}^{2} = 1[/tex]


​

Respuesta :

PSN03
PSN03 PSN03
  • 04-02-2020

Yo sup??

4cos²x=1

cos²x=1/4

cosx=±1/2

x=π/3 or x=2π/3

Hope this helps.

Answer Link

Otras preguntas

Explain the differences between urban and rural life in North Africa
what is the greatest common factor of 98 and 42?
Advancing glaciers create U-shaped valleys called A. rias. B. fjords. C. aretes. D. cirques.
Some vertebrates can go through nymph and pupa forms. True or False
The erosive force of _________ is particularly powerful in deserts. a. wind b. glaciers c. moving water d. human actions
what is the answer to 1/4+4/5(3/4x-1 1/9)
Forced famine in Ukraine (1932–1933) was a direct result of
What practice did the English nobility adopt from the Normans?
Which of the following pairs share the same empirical formula? Select one: a. CH4 and C2H4 b. PbCl2 and PbCl4 c. N2O5 and NO2 d. C2H6 and C4H12
What is an example of smokeless tobacco? A. Snuff B. Chewing tobacco C. Plug D. All of the above