find the distance between the point( -3,7,2) and (2,4,-1)

if cosec a+ cot a=p then prove that cos a=p2-1/p2+1

Tan 120 ko tan(90 30) likh sakte hai???

Find the equation of the line which makes intercepts -3 and 2 on the x and y axis

LIM X TENDS -2 ((2/X)+(X/2)/(X+2))

find the middle term in the expantion of (x/3 + 9y)^10

find the equation of line passing through the point p - 13 - 2 and perpendicular to the lines x is equals to y over 2 is equals to z over 3 and x + 2 over minus 3 y - 1 over 2 is equals to z plus one over five