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

Which would be appropriate compatible numbers to use to estimate (19 4/5)(4/6)
Solve 13 + x> 11. Enter your answer as an inequality.
simplify the expression so there is only one positive power for each base. ​
Professor Shackleford is elated because she has just learned that her paper has been accepted for publication. When a student passes her in the hallway and tell
Which of the following is the best description of the graph below?
find the x-intercepts for the parabola defined by this equation
Suzy has 7 separate rings as shown in the figure on the left. She wants to make one open chain as shown in the figure on the right. What is the least number of
Which propaganda technique is being used in the following statement? "A vote for me is a vote for a better future." A. Circular reasoning B. Generality C. None,
Un importante grupo de inversionistas, asociado a una línea de buses interurbanos, está considerando instalar un centro logístico de mantención, a usted le ha e
The best way to help someone in the maintenance stage of change is to: