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09-03-2017
Mathematics

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An acute angle θ is in a right triangle with sin θ = two thirds . What is the value of cot θ?

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ChandrikaP ChandrikaP

09-03-2017

SinФ=2/3
Then length is 2 and hypotenuse is 3
We can find base now by pythagorean thoerm
B^2=h^2-l^2
B^2=3^2-2^2
B^2=9-4
B=√5

TanФ= l/b
CotФ=1/tanФ
CotФ=√5/2

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