Mathematics
22 Online
OpenStudy (anonymous):
PLEASE HELP!!! solve for the variable
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OpenStudy (anonymous):
OpenStudy (theraggedydoctor):
Lol wish i could but this is hard... atleast i tried xD
OpenStudy (anonymous):
thanks any way
OpenStudy (theraggedydoctor):
:/ sorry XD
OpenStudy (solomonzelman):
I can say that √3/2 is the value of sin(60)
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OpenStudy (anonymous):
any help would be greatly appreciated!!!!!!!
OpenStudy (aravindg):
\[2 \sin \theta \cos \theta=\sin 2 \theta\]
OpenStudy (anonymous):
the part i don't understand is where it says give exact answers
OpenStudy (aravindg):
So indirectly question asks
\[\sin 2 \theta=\dfrac{\sqrt{3}}{2}\]
OpenStudy (aravindg):
Theta=?
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OpenStudy (anonymous):
Hey I am here
OpenStudy (anonymous):
i am still not sure... can i divide \[(\sqrt{3})/2\] by 2 again?
OpenStudy (aravindg):
assume 2theta=k
sin k=root{3}/2
k=?
OpenStudy (anonymous):
so k=root3 over 2 divided by sin?
OpenStudy (aravindg):
Not really. You cant take sin away like that. Just remember that sin 60=root3/2
So 60=k=2theta
Then theta=?
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OpenStudy (anonymous):
so theta= root 3
OpenStudy (aravindg):
60=2theta
then theta=?
OpenStudy (anonymous):
hreeg97 when do you need this.
OpenStudy (anonymous):
so then it should be 30?
and tomorrow
OpenStudy (aravindg):
Yes :)
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OpenStudy (anonymous):
ok
OpenStudy (anonymous):
THANK YOU SO MUCH!!!!!!!!!!!!!
OpenStudy (aravindg):
yw :)
OpenStudy (anonymous):
D: I was of no use!
OpenStudy (anonymous):
sorry