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atul bhardwaj Grade:
        

i  just wana know  proof of angle of intersection of two circle


in cordinate geometry ..........interms of cosine angle

7 years ago

Answers : (1)

vikas askiitian expert
510 Points
										


at first find the point of intersection of curves....let it be A..


 now make a tangent to the curve separately at this point ...


there will be 2 tangents with different slopes...let slope of tangents are


m1,m2 respectively...


then we have


                     tan@=m2-m1/1+m1m2


  @ is the angle bw tangents and it is called angle of intersection of two curves.....



   sec2@ =(1+tan2 @)


     from here calculate cos@

7 years ago
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