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Mathematics
Mathematics
Problem
For a point
(
x
,
y
)
(x,y)
(
x
,
y
)
on the unit circle that corresponds to an angle
θ
\theta
θ
,
tan
θ
\tan \theta
tan
θ
is equal to a)
−
x
y
-\dfrac{x}{y}
−
y
x
b)
y
x
\dfrac{y}{x}
x
y
c)
x
y
\dfrac{x}{y}
y
x
d)
y
y
y
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