ihatealgebrasomuch
is the sin120 degrees 1/2?



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Jonask
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\[\sin 120=\sin (18060)=\sin 60=\sqrt {3}\]

Jonask
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/2

dpaInc
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just remember that on the unit circle,
sin is your ycoordinate
cos is your xcoordinate.

ZeHanz
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Still on the tophalf of the unit circle, so sin is positive there...

Jonask
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is this a complete question

Jonask
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what is it looking for

dpaInc
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it's basically a yes/no question...

ihatealgebrasomuch
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it just said find each trigonometric ratio and gave me sin120.

ihatealgebrasomuch
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oh i see, so since sin is the y axis, it would be sqrrt3/2

dpaInc
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correct...
sin is the ycoordinate, not the y axis...