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OpenStudy (freckles):
isolate the trig function
just like you would isolate y in the equation
2y+sqrt(3)=0
(I'm going to use y instead so I can easily get you to use unit circle after)
OpenStudy (freckles):
sin(theta) is the y-coordinate on the unit circle
OpenStudy (anonymous):
so thats it @freckles
OpenStudy (freckles):
well did you find as the solutions?
OpenStudy (freckles):
but yes solved for y
then find that y number on the unit circle
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OpenStudy (anonymous):
is it y= sqrt 3/2 ? @freckles
OpenStudy (freckles):
y=-sqrt(3)/2
now where is y , -sqrt(3)/2 on the unit circle
OpenStudy (freckles):
hint: look at 3rd and fourth quadrants
OpenStudy (anonymous):
0,2 ?
OpenStudy (freckles):
are you looking at the unit circle
you are looking to see where the y-coordinate is -sqrt(3)/2
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OpenStudy (anonymous):
3/2
OpenStudy (freckles):
I will give you one location
y coordinate is -sqrt(3)/2 when theta=4pi/3
you find the other location
OpenStudy (anonymous):
I dont really get it//
OpenStudy (freckles):
do you see the coordinates on the unit circle
OpenStudy (freckles):
the 2nd number is the y coordinate
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