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i just wana know proof of angle of intersection of two circle
in cordinate geometry ..........interms of cosine angle
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.....
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@
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