03-08-2016
Mathematics

contestada

(sin3t+cos3t)/(cos3t-sin3t)=? Please help

Respuesta :

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

Otras preguntas

what does the blessing of liberty mean

Q # 18 Find the midpoint of. A B

Based on this stage direction, readers should visualize the Golem as

Who wanted believers from all creeds of Christianity to live and worship freely in his colony? Roger Williams William Penn John Winthrop William Bradford

1. Which number sentence shows the commutative property of addition? 9 + 3 = 12 9 + 3 = 3 + 9 3 + (9 + 1) = (3 + 9) + 1 3 * 9 = 27 2. Use the commutative proper

What is the area of the obtuse triangle given below?

Q. # 16 Solve the equation

i need alot of help finshing this math questions

While most funding for cities and counties is raised through local taxes and fees, what other revenue source makes up about a third of most municipal revenues?

A beach ball has a mass of 5 g and a volume of 20 cm3. What is the object's density?