The terminal side of an angle measuring pi/6 radians intersects the unit circle at what point?
2 answers:
X = cos(pi/6) = √3/2
y = sin(pi/6) = 1/2
So at point (√3/2, 1/2)
ANSWER
It will intersect the unit circle at the point

EXPLANATION
The point

lies on the unit circle.
This explains the reason why

The right hand side is the Pythagorean identity which simplifies to,

An angle whose terminal side measures

will intersect the unit circle at

This simplifies to

See diagram
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