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Grade 12th passDifferential Calculus

Find the angle of intersection of curves, y=[ |sin x|+|cos x| ] and x^2 + y^2 = 5.

Profile image of Ali
9 Years agoGrade 12th pass
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1 Answer

Profile image of Vaishakh U
9 Years ago
|sinx|+|cosx| always belongs to [1,root(2)]  
grt intg(|sin x|+|cos x|) =1
=> y=1
The curves intersect at (-2,1) and (2,1)
dy/dx=-x/y
tanA=2 and tanB=-2