hansampiofarz
hansampiofarz hansampiofarz
  • 13-10-2016
  • Mathematics
contestada

sinx + 2cosx = 0 where 0<=x<=2pi, what can x be equal to?

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 20-10-2016
sin x  + 2 cos x = 0
sin x = - 2 cos x  / : cos x ( we will divide both sides by cos x )
sin x / cos x = - 2
tan x = - 2
x = tan^(-1) ( - 2 ) 
Answer:
x = - 63.6 ° = - 63° 36 ` 
or x = 296° 24 `
Answer Link

Otras preguntas

Lyndon got a new job which pays $24.25 per hour. He works 40 hours per week. He pays 5% state income tax on his earnings. How much does Lyndon have remaining af
What is 4 percent of $128.72 ?
Helpppppppp! Its biology related <3 help help !
The picture shows a model of a cell.
Name 5 considerations the president must take when picking the cabinet
What is the slope of the line that passes through the points (-3,3) and (-3, 13)? Write your answer in simplest form.
If an organism's DNA contains 30% adenine nucleotides, what percentage of its DNA is composed of thymine nucleotides
Please fill in I give 50 points!! # Heading (name, date, and short description) feel free to use multiple lines def main(): # Initialize variables numGuesses
Raynaud's disease ________. is characterized by exaggerated vasoconstriction in the extremities is induced by heat stress
It is against the law to pass when your view of the road ahead is obstructed and when you are within _____ feet of a bridge, viaduct, or tunnel. 100 150 200 300