PitchBL PitchBL

23-01-2020
Mathematics

contestada

How would I find all the solutions to the equation "7sin^2x-14sinx+2=-5"?

Respuesta :

gochrismaccmm gochrismaccmm

23-01-2020

Answer:

Step-by-step explanation:

Find all solutions to the equation.

7 sin^2(x) - 14 sin x + 2 = -5

7sin^2(x)-14 sin x+7 =0

sin^2(x)-2sin x+1 =0

(sinx-1)(sinx-1)=0

sinx=1

x=π/2+2pi*k, k=integer

Answer Link

Otras preguntas

The dimensions of a closed rectangular box are measured as 50 centimeters, 90 centimeters, and 80 centimeters, respectively, with the error in each measurement

A tomato of mass 0.18 kg is dropped from a tall bridge. If the tomato has a speed of 11 m/s just before it hits the ground, what is the kinetic energy of the to

tan inverse cos x/1-sin x write in simplest form? ...?

What is the main reason plants and animals have sex?

Which sequence is not equivalent to the others? (1) a reflection across the y-axis, followed by a reflection across the x-axis, and then a 90° clockwise rotatio

what does diving 30m below sea level affect our bodies more then being in a building 30m above sea level?

In a (blank) , one ratio compares a part to a whole

How many terms does the expression w/4+12.5-7z

Why do South Pole and North Pole and South Pole attract?

Which of the following is not one of the four asian tigers? a.south koreab.hong kongc.singapored.japan