lu0cselawnanna lu0cselawnanna
  • 21-11-2016
  • Mathematics
contestada

Solve sin2x + 2sinx = 0 for 0 ≤ x < 2π. ...?

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 24-11-2016
sin 2 x + 2 sin x = 0
2 sin x cos x + 2 sin x = 0 / : 2
sin x cos x + sin x = 0
sin x ( cos x + 1 ) = 0
sin x = 0,  cos x + 1 = 0,  cos x = - 1;
Answer:
x = 0,  or x = π
Answer Link

Otras preguntas

How would ''Girl'' be different if it were called ''Boy''? Discuss the cultural assumptions behind your response.
HELP WITH BOTH QUESTIONS SUPER CONFUSED!
What is the reflection image of P(0, 0) after two reflections, first across x = -3 and then across y = 4?
When a biologist wishes to estimate the mean time that such sharks stay immobile by inducing tonic immobility in each of a sample of 12 sharks, find the probabi
Which of these men did NOT help write the Federalist Papers? John Jay Alexander Hamilton James Madison Aaron Burr
A toy company intends to ship out its entire stock of 13,264 toy trucks and four times as many toy cars
a line passes through the point (-8,-7) and has a slope of 3. Write an equation for the line
Iron deficiency anemia is the most common mineral deficiency. a. True b. False
Why did Senator Steven Douglas propose the Kansas-Nebraska Act in 1854? A. He wanted the transcontinental railroad to go through Chicago. B. He did not want
Myofilaments ______. myofilaments ______. include actin and myosin are responsible for shortening muscle cells are specific types of microfilaments all of the a