Grade 12Analytical Geometry
Angle of interseection of the curves r=sina+cosa and r=2sina is equal to (a=theta)
Angle of interseection of the curves r=sina+cosa and r=2sina is equal to (a=theta)
1 Answer
Badiuddin askIITians.ismu Expert
Dear pallavi
r=sinθ+cosθ and r=2sinθ
solve the curve for point of intersection
θ =45 and r =√2
now curve r =2sin45
and r =sinθ+cosθ
=√2 sin(θ+45)
=√2 sin(90)
clearly the angel between them is 90-45 =45
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