whitngrace whitngrace
  • 25-10-2016
  • Mathematics
contestada

find an identity for cos(4t) in terms of cos(t).
I have used 2cos^2(2t)-1 but I need to rewrite that in terms of cos(2t).

Respuesta :

davidevan96
davidevan96 davidevan96
  • 25-10-2016
I'm having the same problem

Answer Link

Otras preguntas

(2x+1)+(×-10)=90 how do i solve this
2.25(4x-4)=-2+10x+12
what does Eckles find on his boot at the end of the story a sound of thunder
Why did Hitler target the Jewish population as scapegoats for Germany’s problems?
Help solving algebra problem 6(1/3h + 1)
14/y + 10/y = 3 What is the solution set ?
The single largest complaint by the colonies against their English rulers involved
Write a word phrase for each algebraic expression 13p+0.1
Write a word phrase for each algabraic expression 2(5-n)
Terrence has 24 eggs to divide into equal groups. What are the possible numbers of eggs that Terrence could put in each group. A. 1,2,3,4 B. 2,4,6,8,12 C. 1,2,