harriskori
harriskori harriskori
  • 22-03-2017
  • Mathematics
contestada

find an identity for cos(4t) in terms of cos(t)

Respuesta :

LammettHash
LammettHash LammettHash
  • 22-03-2017
[tex]\cos4t=\cos2(2t)=2\cos^22t-1[/tex]
Answer Link
ghanami
ghanami ghanami
  • 22-03-2017
Hello here is a solution :
Ver imagen ghanami
Answer Link

Otras preguntas

Recount the stages of Johnson's escalation of the Vietnam War up to 1967. Why did the conflict become a "quagmire"?
Sin X show your work plz
You borrow $10,000 to buy a car. The simple interest rate is 3%. You pay the loan off after 6 years. What is the total amount you paid for the loan?
Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. A greenhouse used for plants stays warm because sunlight and
Why did industry increasingly employ women and children? How were they treated?
In the story "Paul's Case," why is Paul irritated and wretched after the concert? A. His real life is so different from his dream. B. He has seen his English
Which was NOT a result of the French and Indian War (Seven Years' War)?: A. France lost Canada. B. Great Britain incurred high war costs. C. Great Britain gaine
What is the percent of decrease from 200 to 110? A. 45% B. 55% C. 82% D. 90%
A particular circle in the standard (x,y) coordinate plane has an equation of (x − 5)2 + y2 = 38. What are the radius of the circle, in coordinate units, and th
What conditions led to the Cuban rebellion in 1895?