redmoongurl05 redmoongurl05

03-12-2021
Mathematics

contestada

Find all the solutions to the equation.

7sin²x - 14sinx + 7 = 0

Respuesta :

loneguy loneguy

03-12-2021

[tex]7 \sin^2 x - 14 \sin x +7 = 0\\\\\implies 7 \sin^2 x - 7 \sin x - 7 \sin x +7 =0\\\\\implies 7 \sin x(\sin x -1) - 7( \sin x -1) =0\\\\\implies (\sin x -1)(7 \sin x -7) =0\\\\\implies \sin x = 1\\\\\implies x =\dfrac{\pi}2 + 2 \pi n\\[/tex]

Answer Link

Otras preguntas

Full from of DNAFull from of RNA

help me plssssssssssssssssssssssssssssss

1. Static holding is when you hold the same posture for long periods of time.

Given the graph of the polynomial function

Your feet point in which direction?

Which of the following statements is NOT TRUE about viruses? A. They contain pathogens that cause diseases B. Viruses spread by different vectors. C. They are s

Jane walks 5 meters east, then 12 meters north. What is the direction of her displacement? Options: 74 degrees above horizontal (N of E) 58 degrees above horizo

What is the perimeter of triangle PQR?

the sum of twice the first number and three times the second is 10 the sum of one seventh the first number and two thirds the second number is -2. what are the

Help me please with this question