Q. 1 B5.0( 1 Vote )
Find the equation of the straight lines passing through the following pair of points:
(a, b) and (a + c sin α, b + c cos α)
Answer :
Given:
( x1, y1) = (a, b), ( x2, y2) = (a + c sin
, b + c cos
)
Concept Used:
The equation of the line passing through the two points ( x1, y1) and ( x2, y2).
To find:
The equation of the straight line passing through a pair of points.
Explanation:
So, the equation of the line passing through the two points (0, 0) and (2, −2) is
The formula used: 
⇒ 
⇒ y – b = cot 
(x - a)
Hence, equation of line is y – b = cot 
(x - a)
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