Find all solutions to the equation. 7 sin2x - 14 sin x + 2 = -5

1 answer:

4 0

7sin²x-14sinx+2= -5
7sin²x-14sinx+7=0
7(sin²x-2sinx+1)=0
sin²x-2sinx+1=0
(sinx-1)(sinx-1)=0
sinx-1=0
sinx=1
$x= \frac{ \pi }{2} +2n \pi$ where n is an integer

You might be interested in

A pizzeria will bake and deliver a round pizza with a 12-inch diameter. Find the exact area of the top of the pizza and an appro

Sloan [31]

<h2>PLEASE MARK ME AS BRAINLIEST PLEASE</h2>

A = 78.54

A = 3.14r^2

6 0

3 years ago

If you place a 29-foot ladder against the top of a 20-foot building, how many feet will the bottom of the ladder be from the bot

mr_godi [17]

Answer:

Step-by-step explanation:

3 0

3 years ago

How do I solve 2t<-4 or 7t>49

laiz [17]

2t<-4
t< (-4/2)
t<-2

just treat the greater and less than signs as equal signs

5 0

3 years ago

F(x)=3x graphed give answer

BaLLatris [955]

Answer:

Step-by-step explanation:

7 0

3 years ago

emmainna [20.7K]

I think it is B because 11 is just 11 so yeah

3 0

4 years ago