camprock2001
camprock2001
18-03-2017
Mathematics
contestada
solve cot [tex]cot5pi/12[/tex]5pi/12
Respuesta :
Аноним
Аноним
18-03-2017
cot(5pi/12) = tan(pi/12)
tan(x/2) = (1 - cos(x)) / sin(x))
tan(pi/12) = tan((pi/6)/2) = (1 - cos(pi/6)) / sin(pi/6))
sin(pi/6) = 1/2
cos(pi/6) = sqrt(3) / 2
so...
tan(pi/12) = (1 - sqrt(3)/2) / (1/2) = 2 - sqrt(3)
Answer Link
VER TODAS LAS RESPUESTAS ( 14+ )
Otras preguntas
Which of the following is made of eukaryotic plant cells? E. coli salmonella carrot muscle
Factor 4n 4 + n 3. A) n(4n^3+1) B) n^3(4n+1) C) n^3(4n)
The Soviet Union and the United States nearly went to war with each other in 1962 when the United States discovered soviet missiles on the island of Cuba. This
list the symbols for two transsition metals.
What is the shape of y=x^2 called?
Why do scientist avoid using analogous characters when they study phylogeny
Based on these concepts, choose statements that correlate mendel's four postulates with what is now known about genes, alleles, and homologous chromosomes. sele
If g(x) = x^2 + 2, find g(3). 9 8 11 6
Least to greatest 63.37,62.95,63.7
THE BOOK THIEF Which of the following books does Hans Jr. think is the most valuable book ever written? The Shoulder Shrug. Mein Kampf. The Gravedigger'
