londonbland16 londonbland16

17-05-2018
Mathematics

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

If Pxy is the point on the unit circle defined by real number theta then cot theta class=

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CastleRook CastleRook

26-05-2018

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

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