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Mathematics 13 Online
OpenStudy (greencat):

Will medal. Need simple help. http://prntscr.com/6xmcyz

TheSmartOne (thesmartone):

Just substitute x=\(\sf sin\theta\) And then factor that equation.

OpenStudy (greencat):

After factoring is where I need the help.

TheSmartOne (thesmartone):

And once you have it factored, you just replace x with \(\sf sin\theta\) and just solve for \(\theta\)

TheSmartOne (thesmartone):

So that equation can be factored to: \(\sf (4x+1)^2=0\)

OpenStudy (greencat):

sin=-1/4

TheSmartOne (thesmartone):

So you basically solve: \(\sf 4sin\theta +1 - 0\)

TheSmartOne (thesmartone):

Exactly!

OpenStudy (greencat):

I know the algebra; Help me from after this.

TheSmartOne (thesmartone):

And then you have to use a calculator to solve for it since it does not have any special angles.

OpenStudy (greencat):

I am getting 14.4

OpenStudy (greencat):

Oh I already got this right. The system is just picky. http://prntscr.com/6xmfw2 but 14.4 isn't close

OpenStudy (greencat):

i did it right earlier. what am i doing wrong now?

OpenStudy (greencat):

oh NEGATIVE 1/4

TheSmartOne (thesmartone):

Exactly, and also remember we are in degrees.

TheSmartOne (thesmartone):

So when you put in -1/4 you get -14.48

OpenStudy (greencat):

-14.5+360=345.5 and 180-(-14.5)=194.4

TheSmartOne (thesmartone):

Exactly :)

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