trippylxe trippylxe
  • 02-11-2016
  • Mathematics
contestada

Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.
cos^4(x)

Respuesta :

mozarth11
mozarth11 mozarth11
  • 02-11-2016
cos^4(x) = 
(cos²x)² = 
(1-sen²x)² = 
1² - 2*1*sen²x + sen^4x = 
1 - 2sen²x + sen^4x
Answer Link

Otras preguntas

Please help, What is the nth term rule of the quadratic sequence below? -4,1,12,29,52,81,116 please stop answering with spam i really need the answer
Answer this pleaseeeeeee
A function is a rule that assigns each value of the ___ one value of the dependent variable.
a varies as a b if a =3, when b=24 find b when a=10
Can anyone help me? Please??
Figure a is a scale image of figure b what is the value of x 
describe the relationship between quartiles and percentiles.
What is the vaule of y, x and z
A rectangular field is four times as long as it is wide. If the perimeter of the field is 520 yards, what are the field's dimensions?
The following are explanations why there is light. Which of the following is true?