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If P(x,y) is the point on the unit circle defined by real number theta, then cot theta

If P(x,y) is the point on the unit circle defined by real number theta, then cot theta
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4 votes
If P(x,y) is the point on the unit circle defined by real number theta, then cot theta

If P(x,y) is the point on the unit circle defined by real number theta, then cot theta-example-1
asked
User Luke Duda
by
8.0k points

1 Answer

4 votes
Given that P(x,y) is a point on a unit circle, then:
opposite=y
adjacent=x
but
cot θ=1/tan θ
and
tan θ=opposite/adjacent
then
tan θ=y/x
hence
cot θ=1/(y/x)=x/y

Answer: C] x/y
answered
User Joey Carlisle
by
8.2k points
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