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 ( 87+ )
Otras preguntas
The distance a spring stretches varies directly as the amount of weight that is hanging on it. A weight of 2.5 pounds stretches a spring 18 inches. Find the str
The figure below shows two triangles EFG and KLM. Which step can be used to prove that triangle EFG is also a right triangle? Answer Prove that a + b is greater
How much is six more five
Sebutkan 5 negara maju di benua asia Ada yg tw gk.....
A work team is characterized by a. sharing information as a goal b. random and varied skills c. individual and mutual accountability d. neutral synergy
What is the y-value for f(x) = tan(90°)?
A(n) __________ is a fossil created when hard parts of an organism are replaced with minerals that turn to stone.
the dance that became popular during the roaring twenties was called the charleston. the jitterbug. the lindy hop. tin pan alley.
simplify the expression y^2/4+y/3+y^2/3-y/5
In an A-frame house, the two congruent sides each form a 76° angle with the ground. What is the angle formed at the peak by the two sides?
