Question
Question: The distance of the middle point of the line joining the points \((a\sin\theta,0)\) and \((0,a\cos\t...
The distance of the middle point of the line joining the points (asinθ,0) and (0,acosθ) from the origin is.
A
2a
B
21a(sinθ+cosθ)
C
a(sinθ+cosθ)
D
a
Answer
2a
Explanation
Solution
Mid-point will be (2asinθ,2acosθ) and distance
from origin will be (2asinθ−0)2+(2acosθ−0)2=2a.