Given, cquation of circle x2+y2−6x+4y−12=0 (x−3)2+(y+22=(5)2 parametric form of circle is x=3+5‌cos‌θ,y=−2+5‌sin‌θ When θ=30° A(3+5‌cos‌30°,−2+5‌sin‌30°) A(3+
5√3
2
,−2+
5
2
)=(
6+5√3
2
,
1
2
) When θ=90° B(3+5‌cos‌90°,−2+5‌sin‌90°) B(3,3) ∴ Equation of chord AB where A=(