JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

1 Easy

1 of 1

Application +4 | -1

The vertices of a triangle are

A(1,1), B(4,5)

and

C(6,13)

. Then, the value of

\cos A

View answer and explanation

Correct option: A

\frac{63}{65}

Option A (

\frac{63}{65}

) is correct because it is the cosine of angle A, calculated using the cosine rule with the given vertices of the triangle.

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