Clancy
Clancy
03-08-2016
Mathematics
contestada
(sin3t+cos3t)/(cos3t-sin3t)=? Please help
Respuesta :
caylus
caylus
03-08-2016
Hello,
Let's assume 3t=a.
[tex] \dfrac{sin(a)+cos(a)}{cos(a)-sin(a)} = \dfrac{(cos(a)+sin(a))^2}{cos^2(a)-sin^2(a)}\\\\ = \dfrac{1+2sin(a)cos(a)}{cos(2a)}= \dfrac{1+sin(2a)}{cos(2a)} with\ a=3t[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 38+ )
Otras preguntas
598500 rounded to thousand
Gaetano spent $37.80 including tax on a pair of jeans how much did the jeans cost if there was an 8% sales tax
What did Booker T. Washington believe that the best strategy to end racial segregation was for African Americans?
A successful biologist’s main interest area would be _____. a. the arts b. scientific c. business d. social
what is the number 8.293 round in the tenths
Which sentence contains both an adverb and a conjunction? A. Lucille was a kind person, but she hated people who spread rumors. B. Lawson crept silently u
why the clatholic church was targeted from reform
calculate the average speed of spacecraft orbiting mars
Some irrational numbers are integers. True or false? Explain your choice.
During World War I, why was propaganda important for the war efforts?