Posted by Shreya on Thursday, January 24, 2013 at 11:15pm.
Identify the point on the unite circle coressponding to an angle of 300 degrees in standard position
A (√3, √3/2)
B (√3/2, 1/2)
C (1/2, √3/2)
D (1/2, √3 )
I don't get how to figure this out :

Pre Calculus 12  Reiny, Friday, January 25, 2013 at 12:14am
Ask yourself, "Which quadrant does 300° fall in" ?
It is in quadrant IV
what does a typical point in quadrant IV look like?
it must be of the type (+ ,  )
the only points with that combination is D (1/2,√3) or C(1/2 , √3/2)
check:
remember tanØ = y/x
tan 300° = 1.732.. = √3
for D) : √3 / (1/2) ≠ √3
for C) : (√3/2) / (1/2)  √3
so it is point C

Pre Calculus 12  Shreya, Friday, January 25, 2013 at 12:37am
Oh that makes sense, thank you :)
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