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ozzi
3 years ago
15

Find cot 0 if cos 0=3/13

Mathematics
2 answers:
natta225 [31]3 years ago
6 0
3/4 root 10
you make a right triangle. use Pythagorean theorem. and find the opposite side. then reduce the radical of 160. and do tan and then flip them around to make cot.
nekit [7.7K]3 years ago
6 0
<h2>Answer:</h2>

The value of:

          \cot \theta=\dfrac{3}{4\sqrt{10}}

<h2>Step-by-step explanation:</h2>

We are given,

\cos \theta=\dfrac{3}{13}

We know that cos θ is the ratio of base and hypotenuse of a right angled triangle corresponding to θ.

On applying Pythagorean Theorem in ΔABC we get:

13^2=3^2+a^2\\\\\\i.e.\\\\\\169=9+a^2\\\\\\a^2=160\\\\\\i.e.\\\\\\a=4\sqrt{10}

Hence, the value of \cot \theta is defined as the ratio of base to perpendicular length of the triangle.

              Hence,

         \cot \theta=\dfrac{3}{4\sqrt{10}}

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