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 ( 15+ )
Otras preguntas
What is the solution of the system of equations? Help
'what i should like is that everything which i touch should be turned to gold.' why is the word 'touch' a key word in this story?
3 2/9 x 3/5 what is this answer
Which future state did we acquire? Hawaii? or Alaska?
What were Patriots doing that was considered treason against Britain? 1 Going to church once a month 2 Planting French lavender in their gardens 3 Selling Brit
?1 semit 1 si t :siht rewsna uoy fi stniop 05 teg uoyahW
The main strategy that president Roosevelt's administration used to stop the type of business practices criticized in this excerpt was to
why isn't it let me skip to see the answers on my post
HELP PLEASE I have one question
The color distribution of Skittles is the following: 10% blue, orange, and green each, 23.3333% yellow, red, and purple each. In a bag, there were 137 red Skitt
