hailluka hailluka
  • 03-04-2017
  • Mathematics
contestada

simplify cos(-1/3+-1/4)

Respuesta :

jozzy4
jozzy4 jozzy4
  • 03-04-2017
cod (-0.3-0.25)=
cos (-0.55)=0.45.
Answer Link
ghanami
ghanami ghanami
  • 03-04-2017
hello :
cos(-π/3 -π/4)  =  cos(-  (π/3 +π/4)  ) = cos  (π/3 +π/4)  
                       = cos(π/3) cos(π/4) - sin(π/3) sin(π/4) 
                       = (1/2)(√(2)/2) - (√(3)/2)(√(2)/2)
                       =(√(2)-√(6)/)/4
Answer Link

Otras preguntas

help pls !!! i’ll give u brainliets
Which dimension of health refers to how you express thoughts and feelings?
Meaning Of performance art in tagalog#paanswer sa tagalog salamat​
135. Wages An employee is paid $640 per week plus $24 for each hour of overtime worked. Express the employee's weekly pay in terms of the number of hours of ove
large molecules made of many small subunits called
Anya is writing a one-page informative essay. Select the topic that would be most appropriate given the specifics of the assignment. a.) The most helpful thing
Solve the equation. 1/3 (9x + 3) = 3x + 1 Solution: Hurry before 3
FRENCH lll HELP PLEASE!! THANKS!!
HELP ME PLEASE ASAP!!!!!The recommended daily calcium intake for a 20-year-old is 1,000 milligrams (mg). One cup of milk contains 299 mg of calcium and one cup
In your opinion, why was the voice of the people given such high importance in Greek times?​