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

The number of grams of calorie-free sodium in a restaurant meal is compared to the total number of calories in the meal. The correlation coefficient relating th
which point on a graph shows minimum wage as the price floor
At a boating and sport store the cost of renting a personal watercraft is $64.20 per half hour, which includes a 7% sales tax. Determine the cost of a half hour
difference between job,program and task
A reaction is in equilibrium as shown: A + B C + D. Calculate the equilibrium constant in the final concentrations stabilized at: A= 9.6 M B= 10.0 M C= 4.0 M D=
QUESTION 7 Which of the following would be experienced during a euphoric high? feelings of despair feelings of intense elation and pleasure intense tactile sens
Find the surface area of the right rectangular prism shown below. units²
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide.4HCl(aq)+MnO2(s)⟶MnCl2(aq)+2H2O(l)+Cl2(g)A sample o
A cell with 10 chromosomes undergoes Mitosis. How many daughter cells are created? How many chromosomes does each daughter cell have?
State if a triangle is acute ,obtuse, or right