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Angle of intersection of two circles is ...

Angle of intersection of two circles is given by :

A

`cos theta =(r_1^2+r_2^2-d^2)/(r_1^2r_2^2)`

B

`sec theta =(r_1^2+r_2^2-d^2)/(2r_1^2r_2^2)`

C

`sec theta =(2r_1r_2)/(r_1^2+r_2^2-d^2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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