tjithin tjithin
  • 22-07-2017
  • Mathematics
contestada

Rewrite with only sin x and cos x. cos 3x

Relax

Respuesta :

konrad509
konrad509 konrad509
  • 22-07-2017
[tex]\cos (3x)=4\cos^3 x-3\cos x[/tex]
Answer Link

Otras preguntas

Complete the equation of the line through (2, 1) and (5, -8). Use exact numbers.​
LAST ATTEMPT IM MARKING AS BRAINLIEST!! (Finding missing sides- similar triangles Algebraic practice )
Sierra left $4.50 as a tip for a waiter. This was 18% of the bill before the tip. How much was her bill before adding the tip?
The external appearance of traits is called: -----a.Ecotypeb.Genotypec.Cytotyped.Phenotype​
Are gender traits completely a result of societal expectations? Are there any parts of the human body that get oxygen directly from the air and not from the blo
(a) A straight line L, whose equation is 3y - 2x = -2 meets the x-axis at R Determine the co-ordinates of R.​
when was luisiana purhased
A side length of a regular nonagon is an integer. The perimeter of the nonagon is 80 when rounded to the nearest ten. Determine the integer side length.
LAST ATTEMPT IM MARKING AS BRAINLIEST!! (Draw a dilation of the figure using the given scale factor )
What's one thing that can instantly make your day better?​