IF p1,p2,p3 are the lengths of the altit...

IF `p_1,p_2,p_3` are the lengths of the altitudes of a triangle from the vertices A,B,C then `( cosA)/p_1+( cos B)/p_2+( cos C)/p_3=`

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AAKASH SERIES-PROPERTIES OF TRIANGLES-EXERCISE - 9.1 ( LONG ANSWER QUESTIONS)

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