HehCnorsshell
HehCnorsshell HehCnorsshell
  • 09-12-2016
  • Mathematics
contestada

Rewrite with only sin x and cos x.

cos 3x


cos x - 4 cos x sin2x

-sin3x + 2 sin x cos x

-sin2x + 2 sin x cos x

2 sin2x cos x - 2 sin x cos x

Respuesta :

Nirina7
Nirina7 Nirina7
  • 09-12-2016
this may help you, check the attached file
Ver imagen Nirina7
Answer Link

Otras preguntas

artificial method of seed dispersal​
The temperature of a plastic cup is 70ºF. It is filled with water that is 40ºF. Which of the following describes how thermal energy is transferred? a. Thermal e
Write a program that takes a date as input and outputs the date's season in the northern hemisphere. The input is a string to represent the month and an int to
Sarah factored x(to the power of 2)−10x+21 and found the answer to be(x−7)(x−3) . Is she correct?
what is [tex]4\sqrt{16}[/tex]?
hey you guys help please for points​
Noah bought a new car costing $25,350 He took out a 5 year loan at a simple interest rate of 6 5% How much interest did Noah pay on his car?​
HELP ME PLZZ what is the y intercept in the equation y= 4x-3
PLS HELP I CANT FAIL THIS
How would you describe the effect that doubling the sample size would have on the width of a one-proportion confidence interval, if the confidence level and sam