nng866923nhlakanipho nng866923nhlakanipho
  • 04-07-2021
  • Mathematics
contestada

determine the general solution of cos2X -7cosX -3=0​

Respuesta :

xiaoshuai926 xiaoshuai926
  • 04-07-2021

Answer:

x=2pi/3 +2pi n, 4pi/3 +2pi n for all integar of n.

Step-by-step explanation:

Answer Link

Otras preguntas

How is the numeral 35.012 written in words and why
A pound of seedless red grapes costs $2.75. Drew must spend less than $9.35 on a bunch of seedless red grapes.Inequality:Solution:Interpretation:
Does the depth of a pan affect how water freezes?
What are two different ways to describe and label the layers of the Earth?
A child is standing across the street from his apartment . His mother is on their balcony . The angle of elevation between the child's eyes and his mothers eyes
in what ways is climate controlled by the sun and the water cycle ?
A child is standing across the street from his apartment . His mother is on their balcony . The angle of elevation between the child's eyes and his mothers eyes
A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s , as shown in the figure . The stairs are angled at
What are two different ways to describe and label the layers of the Earth?
Rewrite the function c(x) =9(x+3) using the distributive property