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 ( 17+ )
Otras preguntas
According to Table I, which salt releases energy as it dissolves? (1) KNO3 (3) NH4NO3 (2) LiBr (4) NaCl
The nucleus of an atom of K-42 contains (1) 19 protons and 23 neutrons (2) 19 protons and 42 neutrons (3) 20 protons and 19 neutrons (4) 23 protons and 19 neutr
how to write 30 feet?
Given the balanced equation representing a reaction: 2CO(g) + O2(g)<==> 2CO2(g) What is the mole ratio of CO(g) to CO2(g) in this reaction? (1) 1:1 (3) 2:
round off 863 to one significant figure?
Which idea is an essential part of capitalism? A.Businesses and people own their property. B.People can vote for their leaders. C.Business and industry are c
Which statement correctly describes an endothermic chemical reaction? (1) The products have higher potential energy than the reactants,and the ΔH is negative.(2
Calcium reacts with water. This reaction is represented by the balanced equation below. The aqueous product of this reaction can be heated to evaporate the wate
Which sentence has no errors in the use of quotation marks or italics? A. Did you see the article The Ten Best Books of Summer in yesterday's Miami Herald? B. I
What is 37/5 as a mixed number
