manhn29112005 manhn29112005
  • 01-08-2021
  • Mathematics
contestada

(cos^2x-sin^2x)-sin4x+sin^22x=0

Respuesta :

Аноним Аноним
  • 03-08-2021

Answer:

x=22.5

Step-by-step explanation:

(there's a correction in the question since the I did this one before, so I know)

(cos²x-sin²x)²-sin4x+sin²2x=0

or, cos²2x-sin4x+sin²2x=0

or, 1-sin4x=0

or, sin4x=1

or, 4x=90

or, x=22.5

Answer Link

Otras preguntas

please help me with number 10
To Kill a MockingbirdTrue or false?Mr. Nathan Radley died while the children were very young.1. True2. False​
What are some advantages of having so many maps available?
extravagance leads to poverty justify this statement ​
Find the equation of the line below. If necessary, use a slash (/) to indicate a division bar.
What is the percentage for the shaded area
give the gcf x^7 y^2 z, x^9 y^4 z^2 please answer​
What is the 5th term in the geometric sequence described by this explicit formula? a, = 50 • (-2)(n-1) A. -1600 B.1600 C.800 D.-800 APEX
Which $1,000 bond has the higher yield to maturity, a twenty-years bond selling for $800 with a current yield of 15% or a one-year bond selling for $800 with a
Are glucose and fructose a monosaccharides or disaccharide