tuandonlam tuandonlam

01-06-2018
Mathematics

contestada

how can i solve this equation?
Sin
[tex] sin^{3}x + 3sin {}^{2} x + 2 \sin x = 0[/tex]
Please help me if you can

how can i solve this equationSintex sin3x 3sin 2 x 2 sin x 0texPlease help me if you can class=

Respuesta :

NabasishGogoi NabasishGogoi

01-06-2018

Factorizing sin2x+3sinx+2=0

sin^2 x+2sinx+sinx+2=0

or sinx(sinx+2)+1(sinx+2)=0

or (sinx+1)(sinx+2)=0

Now as sinx+2≠0, we have sinx+1=0

or sinx= −1 =sin(3π/2)

Hence, x=2nπ+3π/2

Answer Link

Otras preguntas

On a test of 80 problems, Bill got 75% of the problems correct. How many question did he get correct?

identify whether or not the following features are represents in the above diagram. for each feature that is represented write the name(s) denoted in the diagra

Hi hello yes can someone help me out?

Why did children make fun of Wanda

Sally earned a 10 percent increase in her salary and received the entire increase at the beginning of the year, with the stipulation that she would not leave th

Under the de minimis exemption, an initial public offering of common stock may be sold to an account where restricted persons have a beneficial interest as long

Which of the following is not generally correct about recording a sale of a debt security before maturity date? a. Accrued interest will be received by the sell

what id 4 didvided by 6

Who was Eliza Lucas, and what connection did she have with the carolina's?

Simplify. 2x (3-1) + 3