manhn29112005 manhn29112005
  • 03-08-2021
  • Mathematics
contestada

[tex](cos^{2} x-sin^{2}x)^{2} -sin4x+sin^{2}2x=0[/tex]

Respuesta :

Аноним Аноним
  • 03-08-2021

Answer:

x=22.5°

Step-by-step explanation:

(cos²x-sin²x)-sin4x+sin²2x=0

or, (cos2x)²-sin4x+sin²2x=0

or, cos²2x+sin²2x-sin4x=0

or, 1-sin4x=0

or, sin4x=1

or, 4x=90°

or, x=90°/4

or, x=22.5°

Answer Link

Otras preguntas

Cubing lets you _____ by helping to identify six perspectives or aspects of your topic.
is it possible to draw a triangle with angles 150°, 10° and 10°
What is 689 divided by 24
Simplify the radical expression. The square root of 144.
About how many individuals were members of scouting organizations in 2011 worldwide?
How many different kinds of bases can be found on DNA?
what is a bodegon what is its significance
A sample in which each member of the universe has an equal chance of being included
Jobs in the skilled labor category require what?
What is another way to write 300+20+5