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find the ratio in which (p m divides the line segments joining the points A (2,3)  and B (6,3) find m. without  using trigonometric tables, evaluate the following ; sin 18 degree/cos 72 degree + cube 3 (tan 10degree tan 30 degree tan 40 degree tan 50 degree tan 80 degree
Asked by venugopal.a.madathil | 20 Feb, 2019, 02:00: PM
answered-by-expert Expert Answer
It is assumed that a point C(p,m) divides the line segment  joining the points A(2,3) and  B(6,3)
 
since y-coordinates of both A and B are same,  y-coordinate of C also same. Hence m =3
 
Let C divides the line AB in the ratio k:1,  then we have as per secion formula   6k+2/(k+1) = p ....(1)
 
Hence we get from (1), k = (p-2)/(6-p)
Answered by Thiyagarajan K | 20 Feb, 2019, 06:58: PM

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