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Cosine
Answers (2)
Rearranging,2y=3x+1 so m=3/2 since the line is parallel to the equation,it gradient is 3/2.so it equation is:y-(-2)=3/2(x-3) 2y+4=3x-9 2y=3x-13 if it is perpendicular,it gradient is -1/3/2=-2/3 so the equation:y-(-2)=-2/3(x-3) 3y+6=-2x+6 3y=-2x
for d cone to fit in,it base must fit in with base area of box i.e the radius of cone is half width of box=1.5cm and it height must be 3cm V=1/3pi(1.5)^2*3
