Math, asked by kulwantsinghgill93, 1 year ago

the vertices of a triangle are A ( 1, 1) ,B (4 , 5 ) and C ( 6, 13 ). Find cos A.

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Answered by rkroshan521

1

Step-by-step explanation:

firstly find the distances between the sides by distance formula

After that By cosine law find cosA.

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